12139821

素因数分解:

$3^3\times {\mathrm{521}}^1\times {\mathrm{863}}^1$

素因数の和:1393

約数の個数: 16

約数和(自身を含む): 18040320

約数和(自身を除く): 5900499

約数列:

[1, 3, 9, 27, 521, 863, 1563, 2589, 4689, 7767, 14067, 23301, 449623, 1348869, 4046607, 12139821]

約数ペア:

[(1, 12139821), (3, 4046607), (9, 1348869), (27, 449623), (521, 23301), (863, 14067), (1563, 7767), (2589, 4689)]