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Note for the Perfect NumbersEasyChair Preprint 13131, version history| Version | Date | Pages | Version notes | 
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 | 1 | April 29, 2024  | 7 |  |  | 2 | July 11, 2024  | 7 | We fixed the sentence: "there are no two consecutive Mersenne numbers M_{n} and M_{n+1} which can simultaneously be both primes for n > 2"  |  | 3 | July 12, 2024  | 6 | We summarize the explanation on geometric series.  |  | 4 | July 15, 2024  | 6 | Fixed formula in Proposition 1.  |  
 Keyphrases: Mersenne primes, divisor sum function, perfect numbers, prime numbers  |  
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