217165005

素因数分解:

$3^2\times 5^1\times {\mathrm{4825889}}^1$

素因数の和:4825900

約数の個数: 12

約数和(自身を含む): 376419420

約数和(自身を除く): 159254415

約数列:

[1, 3, 5, 9, 15, 45, 4825889, 14477667, 24129445, 43433001, 72388335, 217165005]

約数ペア:

[(1, 217165005), (3, 72388335), (5, 43433001), (9, 24129445), (15, 14477667), (45, 4825889)]