12435891

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{18757}}^1$

素因数の和:18790

約数の個数: 16

約数和(自身を含む): 18908064

約数和(自身を除く): 6472173

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 18757, 56271, 243841, 318869, 731523, 956607, 4145297, 12435891]

約数ペア:

[(1, 12435891), (3, 4145297), (13, 956607), (17, 731523), (39, 318869), (51, 243841), (221, 56271), (663, 18757)]