#include<bits/stdc++.h>
using namespace std;
int main()
{
    int n;
	cin>>n;
	for(int i=1;i<=n;i++)
	{
		int s=0;
		for(int j=1;j<i;j++)
		{
			if(i%j==0)
            {
				s=s+j;
			}
		}
        if(s==i)
		{
		    cout<<i<<" its factors are ";
			for(int j=1;j<i;j++)
			{
				if(i%j==0)
				{
					cout<<j<<" ";
				}
			}
			cout<<endl;
		}
	}
	return 0; 
}