12489681

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1\times {\mathrm{307}}^1$

素因数の和:572

約数の個数: 16

約数和(自身を含む): 17031168

約数和(自身を除く): 4541487

約数列:

[1, 3, 71, 191, 213, 307, 573, 921, 13561, 21797, 40683, 58637, 65391, 175911, 4163227, 12489681]

約数ペア:

[(1, 12489681), (3, 4163227), (71, 175911), (191, 65391), (213, 58637), (307, 40683), (573, 21797), (921, 13561)]