20171727

素因数分解:

$3^3\times {\mathrm{563}}^1\times {\mathrm{1327}}^1$

素因数の和:1899

約数の個数: 16

約数和(自身を含む): 29959680

約数和(自身を除く): 9787953

約数列:

[1, 3, 9, 27, 563, 1327, 1689, 3981, 5067, 11943, 15201, 35829, 747101, 2241303, 6723909, 20171727]

約数ペア:

[(1, 20171727), (3, 6723909), (9, 2241303), (27, 747101), (563, 35829), (1327, 15201), (1689, 11943), (3981, 5067)]