6999993

素因数分解:

$3^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1$

素因数の和:84

約数の個数: 96

約数和(自身を含む): 14555520

約数和(自身を除く): 7555527

約数列:

[1, 3, 7, 9, 11, 13, 21, 27, 33, 37, 39, 49, 63, 77, 91, 99, 111, 117, 143, 147, 189, 231, 259, 273, 297, 333, 351, 407, 429, 441, 481, 539, 637, 693, 777, 819, 999, 1001, 1221, 1287, 1323, 1443, 1617, 1813, 1911, 2079, 2331, 2457, 2849, 3003, 3367, 3663, 3861, 4329, 4851, 5291, 5439, 5733, 6993, 7007, 8547, 9009, 10101, 10989, 12987, 14553, 15873, 16317, 17199, 19943, 21021, 23569, 25641, 27027, 30303, 37037, 47619, 48951, 59829, 63063, 70707, 76923, 90909, 111111, 142857, 179487, 189189, 212121, 259259, 333333, 538461, 636363, 777777, 999999, 2333331, 6999993]

約数ペア:

[(1, 6999993), (3, 2333331), (7, 999999), (9, 777777), (11, 636363), (13, 538461), (21, 333333), (27, 259259), (33, 212121), (37, 189189), (39, 179487), (49, 142857), (63, 111111), (77, 90909), (91, 76923), (99, 70707), (111, 63063), (117, 59829), (143, 48951), (147, 47619), (189, 37037), (231, 30303), (259, 27027), (273, 25641), (297, 23569), (333, 21021), (351, 19943), (407, 17199), (429, 16317), (441, 15873), (481, 14553), (539, 12987), (637, 10989), (693, 10101), (777, 9009), (819, 8547), (999, 7007), (1001, 6993), (1221, 5733), (1287, 5439), (1323, 5291), (1443, 4851), (1617, 4329), (1813, 3861), (1911, 3663), (2079, 3367), (2331, 3003), (2457, 2849)]