20161392921

素因数分解:

$3^2\times {\mathrm{191}}^1\times {\mathrm{11728559}}^1$

素因数の和:11728756

約数の個数: 12

約数和(自身を含む): 29274485760

約数和(自身を除く): 9113092839

約数列:

[1, 3, 9, 191, 573, 1719, 11728559, 35185677, 105557031, 2240154769, 6720464307, 20161392921]

約数ペア:

[(1, 20161392921), (3, 6720464307), (9, 2240154769), (191, 105557031), (573, 35185677), (1719, 11728559)]