2811831

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{613}}^1$

素因数の和:766

約数の個数: 16

約数和(自身を含む): 4126080

約数和(自身を除く): 1314249

約数列:

[1, 3, 11, 33, 139, 417, 613, 1529, 1839, 4587, 6743, 20229, 85207, 255621, 937277, 2811831]

約数ペア:

[(1, 2811831), (3, 937277), (11, 255621), (33, 85207), (139, 20229), (417, 6743), (613, 4587), (1529, 1839)]