9905259

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{2791}}^1$

素因数の和:2827

約数の個数: 24

約数和(自身を含む): 16349952

約数和(自身を除く): 6444693

約数列:

[1, 3, 7, 13, 21, 39, 91, 169, 273, 507, 1183, 2791, 3549, 8373, 19537, 36283, 58611, 108849, 253981, 471679, 761943, 1415037, 3301753, 9905259]

約数ペア:

[(1, 9905259), (3, 3301753), (7, 1415037), (13, 761943), (21, 471679), (39, 253981), (91, 108849), (169, 58611), (273, 36283), (507, 19537), (1183, 8373), (2791, 3549)]