28803105

素因数分解:

$3^2\times 5^1\times {\mathrm{640069}}^1$

素因数の和:640080

約数の個数: 12

約数和(自身を含む): 49925460

約数和(自身を除く): 21122355

約数列:

[1, 3, 5, 9, 15, 45, 640069, 1920207, 3200345, 5760621, 9601035, 28803105]

約数ペア:

[(1, 28803105), (3, 9601035), (5, 5760621), (9, 3200345), (15, 1920207), (45, 640069)]