関連ワード:  write a python program to find strong number    write a python program to find perfect number    write a python program to find perfect number or not    write a python program to check perfect number    write a python program to check the number is perfect number or not    write a python program to find the given number is a perfect number or not    write a python program to get the largest number from a list  
結果 : write a python program to find strong number