55556721

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{523}}^1$

素因数の和:606

約数の個数: 48

約数和(自身を含む): 93188160

約数和(自身を除く): 37631439

約数列:

[1, 3, 9, 11, 29, 33, 37, 87, 99, 111, 261, 319, 333, 407, 523, 957, 1073, 1221, 1569, 2871, 3219, 3663, 4707, 5753, 9657, 11803, 15167, 17259, 19351, 35409, 45501, 51777, 58053, 106227, 136503, 166837, 174159, 212861, 500511, 561179, 638583, 1501533, 1683537, 1915749, 5050611, 6172969, 18518907, 55556721]

約数ペア:

[(1, 55556721), (3, 18518907), (9, 6172969), (11, 5050611), (29, 1915749), (33, 1683537), (37, 1501533), (87, 638583), (99, 561179), (111, 500511), (261, 212861), (319, 174159), (333, 166837), (407, 136503), (523, 106227), (957, 58053), (1073, 51777), (1221, 45501), (1569, 35409), (2871, 19351), (3219, 17259), (3663, 15167), (4707, 11803), (5753, 9657)]