28708857

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{17431}}^1$

素因数の和:17501

約数の個数: 16

約数和(自身を含む): 43231360

約数和(自身を除く): 14522503

約数列:

[1, 3, 9, 27, 61, 183, 549, 1647, 17431, 52293, 156879, 470637, 1063291, 3189873, 9569619, 28708857]

約数ペア:

[(1, 28708857), (3, 9569619), (9, 3189873), (27, 1063291), (61, 470637), (183, 156879), (549, 52293), (1647, 17431)]