129762405

素因数分解:

$3^4\times 5^1\times {\mathrm{320401}}^1$

素因数の和:320418

約数の個数: 20

約数和(自身を含む): 232611852

約数和(自身を除く): 102849447

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 320401, 961203, 1602005, 2883609, 4806015, 8650827, 14418045, 25952481, 43254135, 129762405]

約数ペア:

[(1, 129762405), (3, 43254135), (5, 25952481), (9, 14418045), (15, 8650827), (27, 4806015), (45, 2883609), (81, 1602005), (135, 961203), (405, 320401)]