28101717

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{14389}}^1$

素因数の和:14433

約数の個数: 24

約数和(自身を含む): 47889920

約数和(自身を除く): 19788203

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 14389, 43167, 100723, 129501, 302169, 446059, 906507, 1338177, 3122413, 4014531, 9367239, 28101717]

約数ペア:

[(1, 28101717), (3, 9367239), (7, 4014531), (9, 3122413), (21, 1338177), (31, 906507), (63, 446059), (93, 302169), (217, 129501), (279, 100723), (651, 43167), (1953, 14389)]