201997467

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{449}}^1$

素因数の和:692

約数の個数: 48

約数和(自身を含む): 345009600

約数和(自身を除く): 143012133

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 193, 259, 333, 449, 579, 777, 1347, 1351, 1737, 2331, 3143, 4041, 4053, 7141, 9429, 12159, 16613, 21423, 28287, 49839, 49987, 64269, 86657, 116291, 149517, 149961, 259971, 348873, 449883, 606599, 779913, 1046619, 1819797, 3206309, 5459391, 9618927, 22444163, 28856781, 67332489, 201997467]

約数ペア:

[(1, 201997467), (3, 67332489), (7, 28856781), (9, 22444163), (21, 9618927), (37, 5459391), (63, 3206309), (111, 1819797), (193, 1046619), (259, 779913), (333, 606599), (449, 449883), (579, 348873), (777, 259971), (1347, 149961), (1351, 149517), (1737, 116291), (2331, 86657), (3143, 64269), (4041, 49987), (4053, 49839), (7141, 28287), (9429, 21423), (12159, 16613)]