211540905

素因数分解:

$3^2\times 5^1\times {\mathrm{1657}}^1\times {\mathrm{2837}}^1$

素因数の和:4505

約数の個数: 24

約数和(自身を含む): 367021512

約数和(自身を除く): 155480607

約数列:

[1, 3, 5, 9, 15, 45, 1657, 2837, 4971, 8285, 8511, 14185, 14913, 24855, 25533, 42555, 74565, 127665, 4700909, 14102727, 23504545, 42308181, 70513635, 211540905]

約数ペア:

[(1, 211540905), (3, 70513635), (5, 42308181), (9, 23504545), (15, 14102727), (45, 4700909), (1657, 127665), (2837, 74565), (4971, 42555), (8285, 25533), (8511, 24855), (14185, 14913)]