31533759

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1$

素因数の和:181

約数の個数: 64

約数和(自身を含む): 53913600

約数和(自身を除く): 22379841

約数列:

[1, 3, 9, 17, 23, 27, 29, 51, 69, 87, 103, 153, 207, 261, 309, 391, 459, 493, 621, 667, 783, 927, 1173, 1479, 1751, 2001, 2369, 2781, 2987, 3519, 4437, 5253, 6003, 7107, 8961, 10557, 11339, 13311, 15759, 18009, 21321, 26883, 34017, 40273, 47277, 50779, 63963, 68701, 80649, 102051, 120819, 152337, 206103, 306153, 362457, 457011, 618309, 1087371, 1167917, 1371033, 1854927, 3503751, 10511253, 31533759]

約数ペア:

[(1, 31533759), (3, 10511253), (9, 3503751), (17, 1854927), (23, 1371033), (27, 1167917), (29, 1087371), (51, 618309), (69, 457011), (87, 362457), (103, 306153), (153, 206103), (207, 152337), (261, 120819), (309, 102051), (391, 80649), (459, 68701), (493, 63963), (621, 50779), (667, 47277), (783, 40273), (927, 34017), (1173, 26883), (1479, 21321), (1751, 18009), (2001, 15759), (2369, 13311), (2781, 11339), (2987, 10557), (3519, 8961), (4437, 7107), (5253, 6003)]