Concept information
Preferred term
perfect number
Definition
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In number theory, a perfect number is a positive integer that is equal to the sum of its positive divisors, excluding the number itself. For instance, 6 has divisors 1, 2 and 3 (excluding itself), and 1 + 2 + 3 = 6, so 6 is a perfect number.
(Wikipedia, The Free Encyclopedia, https://en.wikipedia.org/wiki/Perfect_number)
Broader concept
In other languages
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French
URI
http://data.loterre.fr/ark:/67375/PSR-QBCKSDZ8-2
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