18305487

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{15767}}^1$

素因数の和:15819

約数の個数: 16

約数和(自身を含む): 27751680

約数和(自身を除く): 9446193

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 15767, 47301, 141903, 425709, 677981, 2033943, 6101829, 18305487]

約数ペア:

[(1, 18305487), (3, 6101829), (9, 2033943), (27, 677981), (43, 425709), (129, 141903), (387, 47301), (1161, 15767)]