17985933

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4021}}^1$

素因数の和:4105

約数の個数: 24

約数和(自身を含む): 30116736

約数和(自身を除く): 12130803

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4021, 4473, 12063, 28147, 36189, 84441, 253323, 285491, 856473, 1998437, 2569419, 5995311, 17985933]

約数ペア:

[(1, 17985933), (3, 5995311), (7, 2569419), (9, 1998437), (21, 856473), (63, 285491), (71, 253323), (213, 84441), (497, 36189), (639, 28147), (1491, 12063), (4021, 4473)]