15987735

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20899}}^1$

素因数の和:20927

約数の個数: 24

約数和(自身を含む): 29343600

約数和(自身を除く): 13355865

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 20899, 62697, 104495, 188091, 313485, 355283, 940455, 1065849, 1776415, 3197547, 5329245, 15987735]

約数ペア:

[(1, 15987735), (3, 5329245), (5, 3197547), (9, 1776415), (15, 1065849), (17, 940455), (45, 355283), (51, 313485), (85, 188091), (153, 104495), (255, 62697), (765, 20899)]