81717931

素因数分解:

${\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1$

素因数の和:426

約数の個数: 16

約数和(自身を含む): 85726080

約数和(自身を除く): 4008149

約数列:

[1, 43, 89, 131, 163, 3827, 5633, 7009, 11659, 14507, 21353, 501337, 623801, 918179, 1900417, 81717931]

約数ペア:

[(1, 81717931), (43, 1900417), (89, 918179), (131, 623801), (163, 501337), (3827, 21353), (5633, 14507), (7009, 11659)]