16645581

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{2309}}^1$

素因数の和:2410

約数の個数: 20

約数和(自身を含む): 25155900

約数和(自身を除く): 8510319

約数列:

[1, 3, 9, 27, 81, 89, 267, 801, 2309, 2403, 6927, 7209, 20781, 62343, 187029, 205501, 616503, 1849509, 5548527, 16645581]

約数ペア:

[(1, 16645581), (3, 5548527), (9, 1849509), (27, 616503), (81, 205501), (89, 187029), (267, 62343), (801, 20781), (2309, 7209), (2403, 6927)]