18447129

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{15889}}^1$

素因数の和:15941

約数の個数: 16

約数和(自身を含む): 27966400

約数和(自身を除く): 9519271

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 15889, 47667, 143001, 429003, 683227, 2049681, 6149043, 18447129]

約数ペア:

[(1, 18447129), (3, 6149043), (9, 2049681), (27, 683227), (43, 429003), (129, 143001), (387, 47667), (1161, 15889)]