56915019

素因数分解:

$3^2\times 7^3\times {\mathrm{103}}^1\times {\mathrm{179}}^1$

素因数の和:309

約数の個数: 48

約数和(自身を含む): 97344000

約数和(自身を除く): 40428981

約数列:

[1, 3, 7, 9, 21, 49, 63, 103, 147, 179, 309, 343, 441, 537, 721, 927, 1029, 1253, 1611, 2163, 3087, 3759, 5047, 6489, 8771, 11277, 15141, 18437, 26313, 35329, 45423, 55311, 61397, 78939, 105987, 129059, 165933, 184191, 317961, 387177, 552573, 903413, 1161531, 2710239, 6323891, 8130717, 18971673, 56915019]

約数ペア:

[(1, 56915019), (3, 18971673), (7, 8130717), (9, 6323891), (21, 2710239), (49, 1161531), (63, 903413), (103, 552573), (147, 387177), (179, 317961), (309, 184191), (343, 165933), (441, 129059), (537, 105987), (721, 78939), (927, 61397), (1029, 55311), (1253, 45423), (1611, 35329), (2163, 26313), (3087, 18437), (3759, 15141), (5047, 11277), (6489, 8771)]