1909089

素因数分解:

$3^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1$

素因数の和:76

約数の個数: 60

約数和(自身を含む): 3669204

約数和(自身を除く): 1760115

約数列:

[1, 3, 7, 9, 13, 21, 27, 37, 39, 49, 63, 81, 91, 111, 117, 147, 189, 259, 273, 333, 351, 441, 481, 567, 637, 777, 819, 999, 1053, 1323, 1443, 1813, 1911, 2331, 2457, 2997, 3367, 3969, 4329, 5439, 5733, 6993, 7371, 10101, 12987, 16317, 17199, 20979, 23569, 30303, 38961, 48951, 51597, 70707, 90909, 146853, 212121, 272727, 636363, 1909089]

約数ペア:

[(1, 1909089), (3, 636363), (7, 272727), (9, 212121), (13, 146853), (21, 90909), (27, 70707), (37, 51597), (39, 48951), (49, 38961), (63, 30303), (81, 23569), (91, 20979), (111, 17199), (117, 16317), (147, 12987), (189, 10101), (259, 7371), (273, 6993), (333, 5733), (351, 5439), (441, 4329), (481, 3969), (567, 3367), (637, 2997), (777, 2457), (819, 2331), (999, 1911), (1053, 1813), (1323, 1443)]