81420177

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{7541}}^1$

素因数の和:7664

約数の個数: 16

約数和(自身を含む): 112224960

約数和(自身を除く): 30804783

約数列:

[1, 3, 59, 61, 177, 183, 3599, 7541, 10797, 22623, 444919, 460001, 1334757, 1380003, 27140059, 81420177]

約数ペア:

[(1, 81420177), (3, 27140059), (59, 1380003), (61, 1334757), (177, 460001), (183, 444919), (3599, 22623), (7541, 10797)]