15979815

素因数分解:

$3^3\times 5^1\times {\mathrm{118369}}^1$

素因数の和:118383

約数の個数: 16

約数和(自身を含む): 28408800

約数和(自身を除く): 12428985

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 118369, 355107, 591845, 1065321, 1775535, 3195963, 5326605, 15979815]

約数ペア:

[(1, 15979815), (3, 5326605), (5, 3195963), (9, 1775535), (15, 1065321), (27, 591845), (45, 355107), (135, 118369)]