15990795

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20903}}^1$

素因数の和:20931

約数の個数: 24

約数和(自身を含む): 29349216

約数和(自身を除く): 13358421

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 20903, 62709, 104515, 188127, 313545, 355351, 940635, 1066053, 1776755, 3198159, 5330265, 15990795]

約数ペア:

[(1, 15990795), (3, 5330265), (5, 3198159), (9, 1776755), (15, 1066053), (17, 940635), (45, 355351), (51, 313545), (85, 188127), (153, 104515), (255, 62709), (765, 20903)]