28627881

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{13691}}^1$

素因数の和:13752

約数の個数: 16

約数和(自身を含む): 41404608

約数和(自身を除く): 12776727

約数列:

[1, 3, 17, 41, 51, 123, 697, 2091, 13691, 41073, 232747, 561331, 698241, 1683993, 9542627, 28627881]

約数ペア:

[(1, 28627881), (3, 9542627), (17, 1683993), (41, 698241), (51, 561331), (123, 232747), (697, 41073), (2091, 13691)]