179704359

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{47}}^2\times {\mathrm{131}}^1$

素因数の和:257

約数の個数: 48

約数和(自身を含む): 286007040

約数和(自身を除く): 106302681

約数列:

[1, 3, 9, 23, 27, 47, 69, 131, 141, 207, 393, 423, 621, 1081, 1179, 1269, 2209, 3013, 3243, 3537, 6157, 6627, 9039, 9729, 18471, 19881, 27117, 29187, 50807, 55413, 59643, 81351, 141611, 152421, 166239, 289379, 424833, 457263, 868137, 1274499, 1371789, 2604411, 3823497, 6655717, 7813233, 19967151, 59901453, 179704359]

約数ペア:

[(1, 179704359), (3, 59901453), (9, 19967151), (23, 7813233), (27, 6655717), (47, 3823497), (69, 2604411), (131, 1371789), (141, 1274499), (207, 868137), (393, 457263), (423, 424833), (621, 289379), (1081, 166239), (1179, 152421), (1269, 141611), (2209, 81351), (3013, 59643), (3243, 55413), (3537, 50807), (6157, 29187), (6627, 27117), (9039, 19881), (9729, 18471)]