2019978315

素因数分解:

$3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{275389}}^1$

素因数の和:275563

約数の個数: 24

約数和(自身を含む): 3522788880

約数和(自身を除く): 1502810565

約数列:

[1, 3, 5, 9, 15, 45, 163, 489, 815, 1467, 2445, 7335, 275389, 826167, 1376945, 2478501, 4130835, 12392505, 44888407, 134665221, 224442035, 403995663, 673326105, 2019978315]

約数ペア:

[(1, 2019978315), (3, 673326105), (5, 403995663), (9, 224442035), (15, 134665221), (45, 44888407), (163, 12392505), (489, 4130835), (815, 2478501), (1467, 1376945), (2445, 826167), (7335, 275389)]