538461

素因数分解:

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

素因数の和:71

約数の個数: 48

約数和(自身を含む): 1039680

約数和(自身を除く): 501219

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 37, 49, 63, 77, 99, 111, 147, 189, 231, 259, 297, 333, 407, 441, 539, 693, 777, 999, 1221, 1323, 1617, 1813, 2079, 2331, 2849, 3663, 4851, 5439, 6993, 8547, 10989, 14553, 16317, 19943, 25641, 48951, 59829, 76923, 179487, 538461]

約数ペア:

[(1, 538461), (3, 179487), (7, 76923), (9, 59829), (11, 48951), (21, 25641), (27, 19943), (33, 16317), (37, 14553), (49, 10989), (63, 8547), (77, 6993), (99, 5439), (111, 4851), (147, 3663), (189, 2849), (231, 2331), (259, 2079), (297, 1813), (333, 1617), (407, 1323), (441, 1221), (539, 999), (693, 777)]