15987285

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{7559}}^1$

素因数の和:7617

約数の個数: 24

約数和(自身を含む): 28304640

約数和(自身を除く): 12317355

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 7559, 22677, 37795, 68031, 113385, 340155, 355273, 1065819, 1776365, 3197457, 5329095, 15987285]

約数ペア:

[(1, 15987285), (3, 5329095), (5, 3197457), (9, 1776365), (15, 1065819), (45, 355273), (47, 340155), (141, 113385), (235, 68031), (423, 37795), (705, 22677), (2115, 7559)]