12681681

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{1697}}^1$

素因数の和:1800

約数の個数: 16

約数和(自身を含む): 17604864

約数和(自身を除く): 4923183

約数列:

[1, 3, 47, 53, 141, 159, 1697, 2491, 5091, 7473, 79759, 89941, 239277, 269823, 4227227, 12681681]

約数ペア:

[(1, 12681681), (3, 4227227), (47, 269823), (53, 239277), (141, 89941), (159, 79759), (1697, 7473), (2491, 5091)]