31256121

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{42181}}^1$

素因数の和:42216

約数の個数: 16

約数和(自身を含む): 47243840

約数和(自身を除く): 15987719

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 42181, 126543, 548353, 801439, 1645059, 2404317, 10418707, 31256121]

約数ペア:

[(1, 31256121), (3, 10418707), (13, 2404317), (19, 1645059), (39, 801439), (57, 548353), (247, 126543), (741, 42181)]