138220571277

素因数分解:

$3^2\times {\mathrm{20327}}^1\times {\mathrm{755539}}^1$

素因数の和:775872

約数の個数: 12

約数和(自身を含む): 199662022560

約数和(自身を除く): 61441451283

約数列:

[1, 3, 9, 20327, 60981, 182943, 755539, 2266617, 6799851, 15357841253, 46073523759, 138220571277]

約数ペア:

[(1, 138220571277), (3, 46073523759), (9, 15357841253), (20327, 6799851), (60981, 2266617), (182943, 755539)]