4920345

素因数分解:

$3^4\times 5^1\times {\mathrm{12149}}^1$

素因数の和:12166

約数の個数: 20

約数和(自身を含む): 8820900

約数和(自身を除く): 3900555

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 12149, 36447, 60745, 109341, 182235, 328023, 546705, 984069, 1640115, 4920345]

約数ペア:

[(1, 4920345), (3, 1640115), (5, 984069), (9, 546705), (15, 328023), (27, 182235), (45, 109341), (81, 60745), (135, 36447), (405, 12149)]