9780831

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{7103}}^1$

素因数の和:7132

約数の個数: 20

約数和(自身を含む): 15472512

約数和(自身を除く): 5691681

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 7103, 21309, 63927, 120751, 191781, 362253, 575343, 1086759, 3260277, 9780831]

約数ペア:

[(1, 9780831), (3, 3260277), (9, 1086759), (17, 575343), (27, 362253), (51, 191781), (81, 120751), (153, 63927), (459, 21309), (1377, 7103)]