207640851

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^2\times {\mathrm{83}}^1$

素因数の和:224

約数の個数: 48

約数和(自身を含む): 320568192

約数和(自身を除く): 112927341

約数列:

[1, 3, 11, 33, 41, 43, 83, 123, 129, 249, 451, 473, 913, 1353, 1419, 1763, 1849, 2739, 3403, 3569, 5289, 5547, 10209, 10707, 19393, 20339, 37433, 39259, 58179, 61017, 75809, 112299, 117777, 146329, 153467, 227427, 438987, 460401, 833899, 1609619, 1688137, 2501697, 4828857, 5064411, 6292147, 18876441, 69213617, 207640851]

約数ペア:

[(1, 207640851), (3, 69213617), (11, 18876441), (33, 6292147), (41, 5064411), (43, 4828857), (83, 2501697), (123, 1688137), (129, 1609619), (249, 833899), (451, 460401), (473, 438987), (913, 227427), (1353, 153467), (1419, 146329), (1763, 117777), (1849, 112299), (2739, 75809), (3403, 61017), (3569, 58179), (5289, 39259), (5547, 37433), (10209, 20339), (10707, 19393)]