12891069

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{2609}}^1$

素因数の和:2682

約数の個数: 20

約数和(自身を含む): 19580220

約数和(自身を除く): 6689151

約数列:

[1, 3, 9, 27, 61, 81, 183, 549, 1647, 2609, 4941, 7827, 23481, 70443, 159149, 211329, 477447, 1432341, 4297023, 12891069]

約数ペア:

[(1, 12891069), (3, 4297023), (9, 1432341), (27, 477447), (61, 211329), (81, 159149), (183, 70443), (549, 23481), (1647, 7827), (2609, 4941)]