18909315

素因数分解:

$3^3\times 5^1\times {\mathrm{140069}}^1$

素因数の和:140083

約数の個数: 16

約数和(自身を含む): 33616800

約数和(自身を除く): 14707485

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 140069, 420207, 700345, 1260621, 2101035, 3781863, 6303105, 18909315]

約数ペア:

[(1, 18909315), (3, 6303105), (5, 3781863), (9, 2101035), (15, 1260621), (27, 700345), (45, 420207), (135, 140069)]