81917655

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{1559}}^1$

素因数の和:1711

約数の個数: 32

約数和(自身を含む): 136581120

約数和(自身を除く): 54663465

約数列:

[1, 3, 5, 15, 31, 93, 113, 155, 339, 465, 565, 1559, 1695, 3503, 4677, 7795, 10509, 17515, 23385, 48329, 52545, 144987, 176167, 241645, 528501, 724935, 880835, 2642505, 5461177, 16383531, 27305885, 81917655]

約数ペア:

[(1, 81917655), (3, 27305885), (5, 16383531), (15, 5461177), (31, 2642505), (93, 880835), (113, 724935), (155, 528501), (339, 241645), (465, 176167), (565, 144987), (1559, 52545), (1695, 48329), (3503, 23385), (4677, 17515), (7795, 10509)]