17987535

素因数分解:

$3^3\times 5^1\times {\mathrm{133241}}^1$

素因数の和:133255

約数の個数: 16

約数和(自身を含む): 31978080

約数和(自身を除く): 13990545

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 133241, 399723, 666205, 1199169, 1998615, 3597507, 5995845, 17987535]

約数ペア:

[(1, 17987535), (3, 5995845), (5, 3597507), (9, 1998615), (15, 1199169), (27, 666205), (45, 399723), (135, 133241)]