15918885

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20809}}^1$

素因数の和:20837

約数の個数: 24

約数和(自身を含む): 29217240

約数和(自身を除く): 13298355

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 20809, 62427, 104045, 187281, 312135, 353753, 936405, 1061259, 1768765, 3183777, 5306295, 15918885]

約数ペア:

[(1, 15918885), (3, 5306295), (5, 3183777), (9, 1768765), (15, 1061259), (17, 936405), (45, 353753), (51, 312135), (85, 187281), (153, 104045), (255, 62427), (765, 20809)]