15991155

素因数分解:

$3^3\times 5^1\times {\mathrm{118453}}^1$

素因数の和:118467

約数の個数: 16

約数和(自身を含む): 28428960

約数和(自身を除く): 12437805

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 118453, 355359, 592265, 1066077, 1776795, 3198231, 5330385, 15991155]

約数ペア:

[(1, 15991155), (3, 5330385), (5, 3198231), (9, 1776795), (15, 1066077), (27, 592265), (45, 355359), (135, 118453)]