SOLUTION: A number n is said to be perfect it the sum of all its divisors (excluding n itself) is equal to n. An example of perfect number is :

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Question 769890: A number n is said to be perfect it the sum of all its divisors (excluding n itself) is equal to n.
An example of perfect number is :
Answer by ramkikk66(644) About Me  (Show Source):
You can put this solution on YOUR website!
The smallest perfect number is 6.
Its divisors (excluding itself) are 1,2,3
1+2+3 = 6
:)