18054153

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{313}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 30859920

約数和(自身を除く): 12805767

約数列:

[1, 3, 9, 13, 17, 29, 39, 51, 87, 117, 153, 221, 261, 313, 377, 493, 663, 939, 1131, 1479, 1989, 2817, 3393, 4069, 4437, 5321, 6409, 9077, 12207, 15963, 19227, 27231, 36621, 47889, 57681, 69173, 81693, 118001, 154309, 207519, 354003, 462927, 622557, 1062009, 1388781, 2006017, 6018051, 18054153]

約数ペア:

[(1, 18054153), (3, 6018051), (9, 2006017), (13, 1388781), (17, 1062009), (29, 622557), (39, 462927), (51, 354003), (87, 207519), (117, 154309), (153, 118001), (221, 81693), (261, 69173), (313, 57681), (377, 47889), (493, 36621), (663, 27231), (939, 19227), (1131, 15963), (1479, 12207), (1989, 9077), (2817, 6409), (3393, 5321), (4069, 4437)]