1560465

素因数分解:

$3^4\times 5^1\times {\mathrm{3853}}^1$

素因数の和:3870

約数の個数: 20

約数和(自身を含む): 2798004

約数和(自身を除く): 1237539

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 3853, 11559, 19265, 34677, 57795, 104031, 173385, 312093, 520155, 1560465]

約数ペア:

[(1, 1560465), (3, 520155), (5, 312093), (9, 173385), (15, 104031), (27, 57795), (45, 34677), (81, 19265), (135, 11559), (405, 3853)]