28304829

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4831}}^1$

素因数の和:4878

約数の個数: 32

約数和(自身を含む): 49479680

約数和(自身を除く): 21174851

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 93, 189, 217, 279, 651, 837, 1953, 4831, 5859, 14493, 33817, 43479, 101451, 130437, 149761, 304353, 449283, 913059, 1048327, 1347849, 3144981, 4043547, 9434943, 28304829]

約数ペア:

[(1, 28304829), (3, 9434943), (7, 4043547), (9, 3144981), (21, 1347849), (27, 1048327), (31, 913059), (63, 449283), (93, 304353), (189, 149761), (217, 130437), (279, 101451), (651, 43479), (837, 33817), (1953, 14493), (4831, 5859)]