72161817

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{20333}}^1$

素因数の和:20369

約数の個数: 24

約数和(自身を含む): 119075904

約数和(自身を除く): 46914087

約数列:

[1, 3, 7, 13, 21, 39, 91, 169, 273, 507, 1183, 3549, 20333, 60999, 142331, 264329, 426993, 792987, 1850303, 3436277, 5550909, 10308831, 24053939, 72161817]

約数ペア:

[(1, 72161817), (3, 24053939), (7, 10308831), (13, 5550909), (21, 3436277), (39, 1850303), (91, 792987), (169, 426993), (273, 264329), (507, 142331), (1183, 60999), (3549, 20333)]