28271391

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{457}}^1\times {\mathrm{1213}}^1$

素因数の和:1690

約数の個数: 16

約数和(自身を含む): 40032864

約数和(自身を除く): 11761473

約数列:

[1, 3, 17, 51, 457, 1213, 1371, 3639, 7769, 20621, 23307, 61863, 554341, 1663023, 9423797, 28271391]

約数ペア:

[(1, 28271391), (3, 9423797), (17, 1663023), (51, 554341), (457, 61863), (1213, 23307), (1371, 20621), (3639, 7769)]