281475

素因数分解:

$3^4\times 5^2\times {\mathrm{139}}^1$

素因数の和:161

約数の個数: 30

約数和(自身を含む): 525140

約数和(自身を除く): 243665

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 139, 225, 405, 417, 675, 695, 1251, 2025, 2085, 3475, 3753, 6255, 10425, 11259, 18765, 31275, 56295, 93825, 281475]

約数ペア:

[(1, 281475), (3, 93825), (5, 56295), (9, 31275), (15, 18765), (25, 11259), (27, 10425), (45, 6255), (75, 3753), (81, 3475), (135, 2085), (139, 2025), (225, 1251), (405, 695), (417, 675)]