28722285

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{27751}}^1$

素因数の和:27785

約数の個数: 24

約数和(自身を含む): 51951744

約数和(自身を除く): 23229459

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 27751, 83253, 138755, 249759, 416265, 638273, 1248795, 1914819, 3191365, 5744457, 9574095, 28722285]

約数ペア:

[(1, 28722285), (3, 9574095), (5, 5744457), (9, 3191365), (15, 1914819), (23, 1248795), (45, 638273), (69, 416265), (115, 249759), (207, 138755), (345, 83253), (1035, 27751)]