28140255

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4373}}^1$

素因数の和:4408

約数の個数: 48

約数和(自身を含む): 57316896

約数和(自身を除く): 29176641

約数列:

[1, 3, 5, 9, 11, 13, 15, 33, 39, 45, 55, 65, 99, 117, 143, 165, 195, 429, 495, 585, 715, 1287, 2145, 4373, 6435, 13119, 21865, 39357, 48103, 56849, 65595, 144309, 170547, 196785, 240515, 284245, 432927, 511641, 625339, 721545, 852735, 1876017, 2164635, 2558205, 3126695, 5628051, 9380085, 28140255]

約数ペア:

[(1, 28140255), (3, 9380085), (5, 5628051), (9, 3126695), (11, 2558205), (13, 2164635), (15, 1876017), (33, 852735), (39, 721545), (45, 625339), (55, 511641), (65, 432927), (99, 284245), (117, 240515), (143, 196785), (165, 170547), (195, 144309), (429, 65595), (495, 56849), (585, 48103), (715, 39357), (1287, 21865), (2145, 13119), (4373, 6435)]