2011294881

素因数分解:

$3^4\times {\mathrm{193}}^1\times {\mathrm{128657}}^1$

素因数の和:128862

約数の個数: 20

約数和(自身を含む): 3020117892

約数和(自身を除く): 1008823011

約数列:

[1, 3, 9, 27, 81, 193, 579, 1737, 5211, 15633, 128657, 385971, 1157913, 3473739, 10421217, 24830801, 74492403, 223477209, 670431627, 2011294881]

約数ペア:

[(1, 2011294881), (3, 670431627), (9, 223477209), (27, 74492403), (81, 24830801), (193, 10421217), (579, 3473739), (1737, 1157913), (5211, 385971), (15633, 128657)]