15986475

素因数分解:

$3^2\times 5^2\times {\mathrm{227}}^1\times {\mathrm{313}}^1$

素因数の和:556

約数の個数: 36

約数和(自身を含む): 28851576

約数和(自身を除く): 12865101

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 227, 313, 681, 939, 1135, 1565, 2043, 2817, 3405, 4695, 5675, 7825, 10215, 14085, 17025, 23475, 51075, 70425, 71051, 213153, 355255, 639459, 1065765, 1776275, 3197295, 5328825, 15986475]

約数ペア:

[(1, 15986475), (3, 5328825), (5, 3197295), (9, 1776275), (15, 1065765), (25, 639459), (45, 355255), (75, 213153), (225, 71051), (227, 70425), (313, 51075), (681, 23475), (939, 17025), (1135, 14085), (1565, 10215), (2043, 7825), (2817, 5675), (3405, 4695)]