389767209

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{140761}}^1$

素因数の和:140848

約数の個数: 16

約数和(自身を含む): 567552384

約数和(自身を除く): 177785175

約数列:

[1, 3, 13, 39, 71, 213, 923, 2769, 140761, 422283, 1829893, 5489679, 9994031, 29982093, 129922403, 389767209]

約数ペア:

[(1, 389767209), (3, 129922403), (13, 29982093), (39, 9994031), (71, 5489679), (213, 1829893), (923, 422283), (2769, 140761)]