64838205

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15493}}^1$

素因数の和:15538

約数の個数: 32

約数和(自身を含む): 118993920

約数和(自身を除く): 54155715

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 93, 135, 155, 279, 465, 837, 1395, 4185, 15493, 46479, 77465, 139437, 232395, 418311, 480283, 697185, 1440849, 2091555, 2401415, 4322547, 7204245, 12967641, 21612735, 64838205]

約数ペア:

[(1, 64838205), (3, 21612735), (5, 12967641), (9, 7204245), (15, 4322547), (27, 2401415), (31, 2091555), (45, 1440849), (93, 697185), (135, 480283), (155, 418311), (279, 232395), (465, 139437), (837, 77465), (1395, 46479), (4185, 15493)]