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

#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+=j;
			}
		}
		if(s==i)
		{ 
			cout<<s<<" its factors are ";
			for(int j=1;j<i;j++)
			{
				if(i%j==0)
				{
					cout<<j<<" ";
				}
			}
			cout<<endl;
		}
	}
    return 0;
}