201695445

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{640303}}^1$

素因数の和:640321

約数の個数: 24

約数和(自身を含む): 399549696

約数和(自身を除く): 197854251

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 640303, 1920909, 3201515, 4482121, 5762727, 9604545, 13446363, 22410605, 28813635, 40339089, 67231815, 201695445]

約数ペア:

[(1, 201695445), (3, 67231815), (5, 40339089), (7, 28813635), (9, 22410605), (15, 13446363), (21, 9604545), (35, 5762727), (45, 4482121), (63, 3201515), (105, 1920909), (315, 640303)]