2566809

素因数分解:

$3^6\times 7^1\times {\mathrm{503}}^1$

素因数の和:528

約数の個数: 28

約数和(自身を含む): 4406976

約数和(自身を除く): 1840167

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 503, 567, 729, 1509, 1701, 3521, 4527, 5103, 10563, 13581, 31689, 40743, 95067, 122229, 285201, 366687, 855603, 2566809]

約数ペア:

[(1, 2566809), (3, 855603), (7, 366687), (9, 285201), (21, 122229), (27, 95067), (63, 40743), (81, 31689), (189, 13581), (243, 10563), (503, 5103), (567, 4527), (729, 3521), (1509, 1701)]