189873405

素因数分解:

$3^2\times 5^1\times {\mathrm{353}}^1\times {\mathrm{11953}}^1$

素因数の和:12317

約数の個数: 24

約数和(自身を含む): 330073848

約数和(自身を除く): 140200443

約数列:

[1, 3, 5, 9, 15, 45, 353, 1059, 1765, 3177, 5295, 11953, 15885, 35859, 59765, 107577, 179295, 537885, 4219409, 12658227, 21097045, 37974681, 63291135, 189873405]

約数ペア:

[(1, 189873405), (3, 63291135), (5, 37974681), (9, 21097045), (15, 12658227), (45, 4219409), (353, 537885), (1059, 179295), (1765, 107577), (3177, 59765), (5295, 35859), (11953, 15885)]