90410721

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{263}}^1$

素因数の和:485

約数の個数: 32

約数和(自身を含む): 131619840

約数和(自身を除く): 41209119

約数列:

[1, 3, 19, 37, 57, 111, 163, 263, 489, 703, 789, 2109, 3097, 4997, 6031, 9291, 9731, 14991, 18093, 29193, 42869, 114589, 128607, 184889, 343767, 554667, 814511, 1586153, 2443533, 4758459, 30136907, 90410721]

約数ペア:

[(1, 90410721), (3, 30136907), (19, 4758459), (37, 2443533), (57, 1586153), (111, 814511), (163, 554667), (263, 343767), (489, 184889), (703, 128607), (789, 114589), (2109, 42869), (3097, 29193), (4997, 18093), (6031, 14991), (9291, 9731)]