207867905

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 303663360

約数和(自身を除く): 95795455

約数列:

[1, 5, 7, 23, 35, 103, 109, 115, 161, 515, 529, 545, 721, 763, 805, 2369, 2507, 2645, 3605, 3703, 3815, 11227, 11845, 12535, 16583, 17549, 18515, 54487, 56135, 57661, 78589, 82915, 87745, 258221, 272435, 288305, 381409, 392945, 403627, 1291105, 1807547, 1907045, 2018135, 5939083, 9037735, 29695415, 41573581, 207867905]

約数ペア:

[(1, 207867905), (5, 41573581), (7, 29695415), (23, 9037735), (35, 5939083), (103, 2018135), (109, 1907045), (115, 1807547), (161, 1291105), (515, 403627), (529, 392945), (545, 381409), (721, 288305), (763, 272435), (805, 258221), (2369, 87745), (2507, 82915), (2645, 78589), (3605, 57661), (3703, 56135), (3815, 54487), (11227, 18515), (11845, 17549), (12535, 16583)]