2890972959

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1938949}}^1$

素因数の和:1939030

約数の個数: 16

約数和(自身を含む): 4467340800

約数和(自身を除く): 1576367841

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 1938949, 5816847, 13572643, 40717929, 137665379, 412996137, 963657653, 2890972959]

約数ペア:

[(1, 2890972959), (3, 963657653), (7, 412996137), (21, 137665379), (71, 40717929), (213, 13572643), (497, 5816847), (1491, 1938949)]