81641217

素因数分解:

$3^1\times 7^1\times {\mathrm{1009}}^1\times {\mathrm{3853}}^1$

素因数の和:4872

約数の個数: 16

約数和(自身を含む): 124561280

約数和(自身を除く): 42920063

約数列:

[1, 3, 7, 21, 1009, 3027, 3853, 7063, 11559, 21189, 26971, 80913, 3887677, 11663031, 27213739, 81641217]

約数ペア:

[(1, 81641217), (3, 27213739), (7, 11663031), (21, 3887677), (1009, 80913), (3027, 26971), (3853, 21189), (7063, 11559)]