12571767

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{11939}}^1$

素因数の和:11964

約数の個数: 20

約数和(自身を含む): 20226360

約数和(自身を除く): 7654593

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 11939, 35817, 107451, 155207, 322353, 465621, 967059, 1396863, 4190589, 12571767]

約数ペア:

[(1, 12571767), (3, 4190589), (9, 1396863), (13, 967059), (27, 465621), (39, 322353), (81, 155207), (117, 107451), (351, 35817), (1053, 11939)]