81630378

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{146291}}^1$

素因数の和:146330

約数の個数: 24

約数和(自身を含む): 182572416

約数和(自身を除く): 100942038

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 186, 279, 558, 146291, 292582, 438873, 877746, 1316619, 2633238, 4535021, 9070042, 13605063, 27210126, 40815189, 81630378]

約数ペア:

[(1, 81630378), (2, 40815189), (3, 27210126), (6, 13605063), (9, 9070042), (18, 4535021), (31, 2633238), (62, 1316619), (93, 877746), (186, 438873), (279, 292582), (558, 146291)]