28081035

素因数分解:

$3^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{2749}}^1$

素因数の和:2987

約数の個数: 24

約数和(自身を含む): 48906000

約数和(自身を除く): 20824965

約数列:

[1, 3, 5, 9, 15, 45, 227, 681, 1135, 2043, 2749, 3405, 8247, 10215, 13745, 24741, 41235, 123705, 624023, 1872069, 3120115, 5616207, 9360345, 28081035]

約数ペア:

[(1, 28081035), (3, 9360345), (5, 5616207), (9, 3120115), (15, 1872069), (45, 624023), (227, 123705), (681, 41235), (1135, 24741), (2043, 13745), (2749, 10215), (3405, 8247)]