81425911

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{8291}}^1$

素因数の和:8382

約数の個数: 16

約数和(自身を含む): 98707968

約数和(自身を除く): 17282057

約数列:

[1, 7, 23, 61, 161, 427, 1403, 8291, 9821, 58037, 190693, 505751, 1334851, 3540257, 11632273, 81425911]

約数ペア:

[(1, 81425911), (7, 11632273), (23, 3540257), (61, 1334851), (161, 505751), (427, 190693), (1403, 58037), (8291, 9821)]