28261755

素因数分解:

$3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{3853}}^1$

素因数の和:4027

約数の個数: 24

約数和(自身を含む): 49300368

約数和(自身を除く): 21038613

約数列:

[1, 3, 5, 9, 15, 45, 163, 489, 815, 1467, 2445, 3853, 7335, 11559, 19265, 34677, 57795, 173385, 628039, 1884117, 3140195, 5652351, 9420585, 28261755]

約数ペア:

[(1, 28261755), (3, 9420585), (5, 5652351), (9, 3140195), (15, 1884117), (45, 628039), (163, 173385), (489, 57795), (815, 34677), (1467, 19265), (2445, 11559), (3853, 7335)]