42778323

素因数分解:

$3^2\times 7^2\times {\mathrm{97003}}^1$

素因数の和:97023

約数の個数: 18

約数和(自身を含む): 71879964

約数和(自身を除く): 29101641

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 97003, 291009, 679021, 873027, 2037063, 4753147, 6111189, 14259441, 42778323]

約数ペア:

[(1, 42778323), (3, 14259441), (7, 6111189), (9, 4753147), (21, 2037063), (49, 873027), (63, 679021), (147, 291009), (441, 97003)]