90921025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{7561}}^1$

素因数の和:7621

約数の個数: 24

約数和(自身を含む): 124712504

約数和(自身を除く): 33791479

約数列:

[1, 5, 13, 25, 37, 65, 185, 325, 481, 925, 2405, 7561, 12025, 37805, 98293, 189025, 279757, 491465, 1398785, 2457325, 3636841, 6993925, 18184205, 90921025]

約数ペア:

[(1, 90921025), (5, 18184205), (13, 6993925), (25, 3636841), (37, 2457325), (65, 1398785), (185, 491465), (325, 279757), (481, 189025), (925, 98293), (2405, 37805), (7561, 12025)]