198720171

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{130651}}^1$

素因数の和:130683

約数の個数: 18

約数和(自身を含む): 310821108

約数和(自身を除く): 112100937

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 130651, 391953, 1175859, 1698463, 5095389, 15286167, 22080019, 66240057, 198720171]

約数ペア:

[(1, 198720171), (3, 66240057), (9, 22080019), (13, 15286167), (39, 5095389), (117, 1698463), (169, 1175859), (507, 391953), (1521, 130651)]