18315153

素因数分解:

$3^5\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 29877120

約数和(自身を除く): 11561967

約数列:

[1, 3, 9, 23, 27, 29, 69, 81, 87, 113, 207, 243, 261, 339, 621, 667, 783, 1017, 1863, 2001, 2349, 2599, 3051, 3277, 5589, 6003, 7047, 7797, 9153, 9831, 18009, 23391, 27459, 29493, 54027, 70173, 75371, 88479, 162081, 210519, 226113, 265437, 631557, 678339, 796311, 2035017, 6105051, 18315153]

約数ペア:

[(1, 18315153), (3, 6105051), (9, 2035017), (23, 796311), (27, 678339), (29, 631557), (69, 265437), (81, 226113), (87, 210519), (113, 162081), (207, 88479), (243, 75371), (261, 70173), (339, 54027), (621, 29493), (667, 27459), (783, 23391), (1017, 18009), (1863, 9831), (2001, 9153), (2349, 7797), (2599, 7047), (3051, 6003), (3277, 5589)]