2333331

素因数分解:

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

素因数の和:81

約数の個数: 72

約数和(自身を含む): 4730544

約数和(自身を除く): 2397213

約数列:

[1, 3, 7, 9, 11, 13, 21, 33, 37, 39, 49, 63, 77, 91, 99, 111, 117, 143, 147, 231, 259, 273, 333, 407, 429, 441, 481, 539, 637, 693, 777, 819, 1001, 1221, 1287, 1443, 1617, 1813, 1911, 2331, 2849, 3003, 3367, 3663, 4329, 4851, 5291, 5439, 5733, 7007, 8547, 9009, 10101, 15873, 16317, 19943, 21021, 23569, 25641, 30303, 37037, 47619, 59829, 63063, 70707, 111111, 179487, 212121, 259259, 333333, 777777, 2333331]

約数ペア:

[(1, 2333331), (3, 777777), (7, 333333), (9, 259259), (11, 212121), (13, 179487), (21, 111111), (33, 70707), (37, 63063), (39, 59829), (49, 47619), (63, 37037), (77, 30303), (91, 25641), (99, 23569), (111, 21021), (117, 19943), (143, 16317), (147, 15873), (231, 10101), (259, 9009), (273, 8547), (333, 7007), (407, 5733), (429, 5439), (441, 5291), (481, 4851), (539, 4329), (637, 3663), (693, 3367), (777, 3003), (819, 2849), (1001, 2331), (1221, 1911), (1287, 1813), (1443, 1617)]