90720383

素因数分解:

${\mathrm{13}}^2\times {\mathrm{19}}^2\times {\mathrm{1487}}^1$

素因数の和:1551

約数の個数: 18

約数和(自身を含む): 103747824

約数和(自身を除く): 13027441

約数列:

[1, 13, 19, 169, 247, 361, 1487, 3211, 4693, 19331, 28253, 61009, 251303, 367289, 536807, 4774757, 6978491, 90720383]

約数ペア:

[(1, 90720383), (13, 6978491), (19, 4774757), (169, 536807), (247, 367289), (361, 251303), (1487, 61009), (3211, 28253), (4693, 19331)]