18230589

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 30576000

約数和(自身を除く): 12345411

約数列:

[1, 3, 9, 13, 27, 29, 39, 81, 87, 117, 199, 243, 261, 351, 377, 597, 783, 1053, 1131, 1791, 2349, 2587, 3159, 3393, 5373, 5771, 7047, 7761, 10179, 16119, 17313, 23283, 30537, 48357, 51939, 69849, 75023, 91611, 155817, 209547, 225069, 467451, 628641, 675207, 1402353, 2025621, 6076863, 18230589]

約数ペア:

[(1, 18230589), (3, 6076863), (9, 2025621), (13, 1402353), (27, 675207), (29, 628641), (39, 467451), (81, 225069), (87, 209547), (117, 155817), (199, 91611), (243, 75023), (261, 69849), (351, 51939), (377, 48357), (597, 30537), (783, 23283), (1053, 17313), (1131, 16119), (1791, 10179), (2349, 7761), (2587, 7047), (3159, 5771), (3393, 5373)]