28271607

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{3571}}^1$

素因数の和:3623

約数の個数: 32

約数和(自身を含む): 48007680

約数和(自身を除く): 19736073

約数列:

[1, 3, 7, 13, 21, 29, 39, 87, 91, 203, 273, 377, 609, 1131, 2639, 3571, 7917, 10713, 24997, 46423, 74991, 103559, 139269, 310677, 324961, 724913, 974883, 1346267, 2174739, 4038801, 9423869, 28271607]

約数ペア:

[(1, 28271607), (3, 9423869), (7, 4038801), (13, 2174739), (21, 1346267), (29, 974883), (39, 724913), (87, 324961), (91, 310677), (203, 139269), (273, 103559), (377, 74991), (609, 46423), (1131, 24997), (2639, 10713), (3571, 7917)]