#include <iostream>
#include <algorithm>
#include <cstdio>
#include <cmath>
#include <cstdlib>
#include <string>
#include <cstring>
#include <queue>
#include <vector>
#include <map>
#include <set>
#include <iomanip>
#include <bitset>
#define inf 0x3f3f3f3f
#define ll long long
#define maxn 200005
#define mod 1000000007
using namespace std;

int main()
{
    long long t;
    long long n;
    long long tmp,cnt;
    long long res[105];
    long long c;
    cin>>t;
    while(t--)
    {
        cin>>n;
        cnt = 0;
        tmp = n;
        c = 0;
        while(tmp)
        {
            c += tmp%10;
            tmp /= 10;
        }

        for(int i = 1 ; i <= 81 ; i ++)
        {
            if(n%i == 0 && c%i == 0)
                res[cnt ++] = i;
        }
        cout<<cnt<<endl;
        for(int i = 0 ; i <cnt -1; i ++)
            cout<<res[i]<<" ";
        cout<<res[cnt-1]<<endl;
    }
    return 0;
}