207540905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{2663}}^1$

素因数の和:2801

約数の個数: 32

約数和(自身を含む): 295384320

約数和(自身を除く): 87843415

約数列:

[1, 5, 11, 13, 55, 65, 109, 143, 545, 715, 1199, 1417, 2663, 5995, 7085, 13315, 15587, 29293, 34619, 77935, 146465, 173095, 290267, 380809, 1451335, 1904045, 3192937, 3773471, 15964685, 18867355, 41508181, 207540905]

約数ペア:

[(1, 207540905), (5, 41508181), (11, 18867355), (13, 15964685), (55, 3773471), (65, 3192937), (109, 1904045), (143, 1451335), (545, 380809), (715, 290267), (1199, 173095), (1417, 146465), (2663, 77935), (5995, 34619), (7085, 29293), (13315, 15587)]