201691251

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{647}}^1\times {\mathrm{1823}}^1$

素因数の和:2495

約数の個数: 24

約数和(自身を含む): 307307520

約数和(自身を除く): 105616269

約数列:

[1, 3, 9, 19, 57, 171, 647, 1823, 1941, 5469, 5823, 12293, 16407, 34637, 36879, 103911, 110637, 311733, 1179481, 3538443, 10615329, 22410139, 67230417, 201691251]

約数ペア:

[(1, 201691251), (3, 67230417), (9, 22410139), (19, 10615329), (57, 3538443), (171, 1179481), (647, 311733), (1823, 110637), (1941, 103911), (5469, 36879), (5823, 34637), (12293, 16407)]