2123194977

素因数分解:

$3^3\times {\mathrm{109}}^1\times {\mathrm{721439}}^1$

素因数の和:721557

約数の個数: 16

約数和(自身を含む): 3174336000

約数和(自身を除く): 1051141023

約数列:

[1, 3, 9, 27, 109, 327, 981, 2943, 721439, 2164317, 6492951, 19478853, 78636851, 235910553, 707731659, 2123194977]

約数ペア:

[(1, 2123194977), (3, 707731659), (9, 235910553), (27, 78636851), (109, 19478853), (327, 6492951), (981, 2164317), (2943, 721439)]