128589903

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{28181}}^1$

素因数の和:28216

約数の個数: 24

約数和(自身を含む): 206292240

約数和(自身を除く): 77702337

約数列:

[1, 3, 9, 13, 27, 39, 117, 169, 351, 507, 1521, 4563, 28181, 84543, 253629, 366353, 760887, 1099059, 3297177, 4762589, 9891531, 14287767, 42863301, 128589903]

約数ペア:

[(1, 128589903), (3, 42863301), (9, 14287767), (13, 9891531), (27, 4762589), (39, 3297177), (117, 1099059), (169, 760887), (351, 366353), (507, 253629), (1521, 84543), (4563, 28181)]