128786475

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{101009}}^1$

素因数の和:101039

約数の個数: 24

約数和(自身を含む): 225454320

約数和(自身を除く): 96667845

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 101009, 303027, 505045, 1515135, 1717153, 2525225, 5151459, 7575675, 8585765, 25757295, 42928825, 128786475]

約数ペア:

[(1, 128786475), (3, 42928825), (5, 25757295), (15, 8585765), (17, 7575675), (25, 5151459), (51, 2525225), (75, 1717153), (85, 1515135), (255, 505045), (425, 303027), (1275, 101009)]