12821031

素因数分解:

$3^3\times {\mathrm{127}}^1\times {\mathrm{3739}}^1$

素因数の和:3875

約数の個数: 16

約数和(自身を含む): 19148800

約数和(自身を除く): 6327769

約数列:

[1, 3, 9, 27, 127, 381, 1143, 3429, 3739, 11217, 33651, 100953, 474853, 1424559, 4273677, 12821031]

約数ペア:

[(1, 12821031), (3, 4273677), (9, 1424559), (27, 474853), (127, 100953), (381, 33651), (1143, 11217), (3429, 3739)]