208536993

素因数分解:

$3^2\times 7^2\times {\mathrm{103}}^1\times {\mathrm{4591}}^1$

素因数の和:4714

約数の個数: 36

約数和(自身を含む): 353877888

約数和(自身を除く): 145340895

約数列:

[1, 3, 7, 9, 21, 49, 63, 103, 147, 309, 441, 721, 927, 2163, 4591, 5047, 6489, 13773, 15141, 32137, 41319, 45423, 96411, 224959, 289233, 472873, 674877, 1418619, 2024631, 3310111, 4255857, 9930333, 23170777, 29790999, 69512331, 208536993]

約数ペア:

[(1, 208536993), (3, 69512331), (7, 29790999), (9, 23170777), (21, 9930333), (49, 4255857), (63, 3310111), (103, 2024631), (147, 1418619), (309, 674877), (441, 472873), (721, 289233), (927, 224959), (2163, 96411), (4591, 45423), (5047, 41319), (6489, 32137), (13773, 15141)]