81458013

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{10289}}^1$

素因数の和:10341

約数の個数: 32

約数和(自身を含む): 138297600

約数和(自身を除く): 56839587

約数列:

[1, 3, 7, 13, 21, 29, 39, 87, 91, 203, 273, 377, 609, 1131, 2639, 7917, 10289, 30867, 72023, 133757, 216069, 298381, 401271, 895143, 936299, 2088667, 2808897, 3878953, 6266001, 11636859, 27152671, 81458013]

約数ペア:

[(1, 81458013), (3, 27152671), (7, 11636859), (13, 6266001), (21, 3878953), (29, 2808897), (39, 2088667), (87, 936299), (91, 895143), (203, 401271), (273, 298381), (377, 216069), (609, 133757), (1131, 72023), (2639, 30867), (7917, 10289)]