81731015

素因数分解:

$5^1\times {\mathrm{103}}^1\times {\mathrm{151}}^1\times {\mathrm{1051}}^1$

素因数の和:1310

約数の個数: 16

約数和(自身を含む): 99780096

約数和(自身を除く): 18049081

約数列:

[1, 5, 103, 151, 515, 755, 1051, 5255, 15553, 77765, 108253, 158701, 541265, 793505, 16346203, 81731015]

約数ペア:

[(1, 81731015), (5, 16346203), (103, 793505), (151, 541265), (515, 158701), (755, 108253), (1051, 77765), (5255, 15553)]