81516582

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{646957}}^1$

素因数の和:646972

約数の個数: 24

約数和(自身を含む): 201850896

約数和(自身を除く): 120334314

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 646957, 1293914, 1940871, 3881742, 4528699, 5822613, 9057398, 11645226, 13586097, 27172194, 40758291, 81516582]

約数ペア:

[(1, 81516582), (2, 40758291), (3, 27172194), (6, 13586097), (7, 11645226), (9, 9057398), (14, 5822613), (18, 4528699), (21, 3881742), (42, 1940871), (63, 1293914), (126, 646957)]