56538081

素因数分解:

$3^5\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 89631360

約数和(自身を除く): 33093279

約数列:

[1, 3, 9, 27, 29, 71, 81, 87, 113, 213, 243, 261, 339, 639, 783, 1017, 1917, 2059, 2349, 3051, 3277, 5751, 6177, 7047, 8023, 9153, 9831, 17253, 18531, 24069, 27459, 29493, 55593, 72207, 88479, 166779, 216621, 232667, 265437, 500337, 649863, 698001, 796311, 1949589, 2094003, 6282009, 18846027, 56538081]

約数ペア:

[(1, 56538081), (3, 18846027), (9, 6282009), (27, 2094003), (29, 1949589), (71, 796311), (81, 698001), (87, 649863), (113, 500337), (213, 265437), (243, 232667), (261, 216621), (339, 166779), (639, 88479), (783, 72207), (1017, 55593), (1917, 29493), (2059, 27459), (2349, 24069), (3051, 18531), (3277, 17253), (5751, 9831), (6177, 9153), (7047, 8023)]