90972531

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{19937}}^1$

素因数の和:19972

約数の個数: 24

約数和(自身を含む): 145946160

約数和(自身を除く): 54973629

約数列:

[1, 3, 9, 13, 27, 39, 117, 169, 351, 507, 1521, 4563, 19937, 59811, 179433, 259181, 538299, 777543, 2332629, 3369353, 6997887, 10108059, 30324177, 90972531]

約数ペア:

[(1, 90972531), (3, 30324177), (9, 10108059), (13, 6997887), (27, 3369353), (39, 2332629), (117, 777543), (169, 538299), (351, 259181), (507, 179433), (1521, 59811), (4563, 19937)]