163640883

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{2473}}^1$

素因数の和:2643

約数の個数: 32

約数和(自身を含む): 262204416

約数和(自身を除く): 98563533

約数列:

[1, 3, 7, 21, 23, 69, 137, 161, 411, 483, 959, 2473, 2877, 3151, 7419, 9453, 17311, 22057, 51933, 56879, 66171, 170637, 338801, 398153, 1016403, 1194459, 2371607, 7114821, 7792423, 23377269, 54546961, 163640883]

約数ペア:

[(1, 163640883), (3, 54546961), (7, 23377269), (21, 7792423), (23, 7114821), (69, 2371607), (137, 1194459), (161, 1016403), (411, 398153), (483, 338801), (959, 170637), (2473, 66171), (2877, 56879), (3151, 51933), (7419, 22057), (9453, 17311)]