661882239

素因数分解:

$3^3\times {\mathrm{491}}^1\times {\mathrm{49927}}^1$

素因数の和:50427

約数の個数: 16

約数和(自身を含む): 982583040

約数和(自身を除く): 320700801

約数列:

[1, 3, 9, 27, 491, 1473, 4419, 13257, 49927, 149781, 449343, 1348029, 24514157, 73542471, 220627413, 661882239]

約数ペア:

[(1, 661882239), (3, 220627413), (9, 73542471), (27, 24514157), (491, 1348029), (1473, 449343), (4419, 149781), (13257, 49927)]