12657489

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{661}}^1$

素因数の和:1168

約数の個数: 16

約数和(自身を含む): 18239424

約数和(自身を除く): 5581935

約数列:

[1, 3, 13, 39, 491, 661, 1473, 1983, 6383, 8593, 19149, 25779, 324551, 973653, 4219163, 12657489]

約数ペア:

[(1, 12657489), (3, 4219163), (13, 973653), (39, 324551), (491, 25779), (661, 19149), (1473, 8593), (1983, 6383)]