28018347

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{8287}}^1$

素因数の和:8327

約数の個数: 24

約数和(自身を含む): 45351936

約数和(自身を除く): 17333589

約数列:

[1, 3, 7, 21, 23, 49, 69, 147, 161, 483, 1127, 3381, 8287, 24861, 58009, 174027, 190601, 406063, 571803, 1218189, 1334207, 4002621, 9339449, 28018347]

約数ペア:

[(1, 28018347), (3, 9339449), (7, 4002621), (21, 1334207), (23, 1218189), (49, 571803), (69, 406063), (147, 190601), (161, 174027), (483, 58009), (1127, 24861), (3381, 8287)]