15239721

素因数分解:

$3^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{3169}}^1$

素因数の和:3408

約数の個数: 16

約数和(自身を含む): 23331200

約数和(自身を除く): 8091479

約数列:

[1, 3, 7, 21, 229, 687, 1603, 3169, 4809, 9507, 22183, 66549, 725701, 2177103, 5079907, 15239721]

約数ペア:

[(1, 15239721), (3, 5079907), (7, 2177103), (21, 725701), (229, 66549), (687, 22183), (1603, 9507), (3169, 4809)]