12291027

素因数分解:

$3^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{2971}}^1$

素因数の和:3178

約数の個数: 16

約数和(自身を含む): 18830592

約数和(自身を除く): 6539565

約数列:

[1, 3, 7, 21, 197, 591, 1379, 2971, 4137, 8913, 20797, 62391, 585287, 1755861, 4097009, 12291027]

約数ペア:

[(1, 12291027), (3, 4097009), (7, 1755861), (21, 585287), (197, 62391), (591, 20797), (1379, 8913), (2971, 4137)]