245017311

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1451}}^1$

素因数の和:1532

約数の個数: 64

約数和(自身を含む): 441593856

約数和(自身を除く): 196576545

約数列:

[1, 3, 7, 11, 17, 21, 33, 43, 51, 77, 119, 129, 187, 231, 301, 357, 473, 561, 731, 903, 1309, 1419, 1451, 2193, 3311, 3927, 4353, 5117, 8041, 9933, 10157, 15351, 15961, 24123, 24667, 30471, 47883, 56287, 62393, 74001, 111727, 168861, 172669, 187179, 271337, 335181, 436751, 518007, 686323, 814011, 1060681, 1310253, 1899359, 2058969, 3182043, 4804261, 5698077, 7424767, 11667491, 14412783, 22274301, 35002473, 81672437, 245017311]

約数ペア:

[(1, 245017311), (3, 81672437), (7, 35002473), (11, 22274301), (17, 14412783), (21, 11667491), (33, 7424767), (43, 5698077), (51, 4804261), (77, 3182043), (119, 2058969), (129, 1899359), (187, 1310253), (231, 1060681), (301, 814011), (357, 686323), (473, 518007), (561, 436751), (731, 335181), (903, 271337), (1309, 187179), (1419, 172669), (1451, 168861), (2193, 111727), (3311, 74001), (3927, 62393), (4353, 56287), (5117, 47883), (8041, 30471), (9933, 24667), (10157, 24123), (15351, 15961)]