18042831

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{13103}}^1$

素因数の和:13132

約数の個数: 20

約数和(自身を含む): 28540512

約数和(自身を除く): 10497681

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 13103, 39309, 117927, 222751, 353781, 668253, 1061343, 2004759, 6014277, 18042831]

約数ペア:

[(1, 18042831), (3, 6014277), (9, 2004759), (17, 1061343), (27, 668253), (51, 353781), (81, 222751), (153, 117927), (459, 39309), (1377, 13103)]