#include<iostream.h>
int main()
{
	int x,sum,a;
	for(x=1;x<1000;x++)
	{
		sum=0;
	    for(a=1;a<x;a++)
		{
			if(x%a==0)
				sum=sum+a;	
		}
		    if(sum==x)
			{
				cout<<x<<" its factors are ";
	                for(a=1;a<x;a++)
					{
			        if(x%a==0)
                    cout<<a<<','; 	
					}
					cout<<'\n';
			}
	}	  
	return 0;
}