15260985

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19949}}^1$

素因数の和:19977

約数の個数: 24

約数和(自身を含む): 28009800

約数和(自身を除く): 12748815

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 19949, 59847, 99745, 179541, 299235, 339133, 897705, 1017399, 1695665, 3052197, 5086995, 15260985]

約数ペア:

[(1, 15260985), (3, 5086995), (5, 3052197), (9, 1695665), (15, 1017399), (17, 897705), (45, 339133), (51, 299235), (85, 179541), (153, 99745), (255, 59847), (765, 19949)]