81913429

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{12781}}^1$

素因数の和:12840

約数の個数: 16

約数和(自身を含む): 96631920

約数和(自身を除く): 14718491

約数列:

[1, 13, 17, 29, 221, 377, 493, 6409, 12781, 166153, 217277, 370649, 2824601, 4818437, 6301033, 81913429]

約数ペア:

[(1, 81913429), (13, 6301033), (17, 4818437), (29, 2824601), (221, 370649), (377, 217277), (493, 166153), (6409, 12781)]