20171866851

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{3389}}^1\times {\mathrm{38903}}^1$

素因数の和:42315

約数の個数: 24

約数和(自身を含む): 30860987040

約数和(自身を除く): 10689120189

約数列:

[1, 3, 9, 17, 51, 153, 3389, 10167, 30501, 38903, 57613, 116709, 172839, 350127, 518517, 661351, 1984053, 5952159, 131842267, 395526801, 1186580403, 2241318539, 6723955617, 20171866851]

約数ペア:

[(1, 20171866851), (3, 6723955617), (9, 2241318539), (17, 1186580403), (51, 395526801), (153, 131842267), (3389, 5952159), (10167, 1984053), (30501, 661351), (38903, 518517), (57613, 350127), (116709, 172839)]