156804903

素因数分解:

$3^4\times {\mathrm{223}}^1\times {\mathrm{8681}}^1$

素因数の和:8916

約数の個数: 20

約数和(自身を含む): 235316928

約数和(自身を除く): 78512025

約数列:

[1, 3, 9, 27, 81, 223, 669, 2007, 6021, 8681, 18063, 26043, 78129, 234387, 703161, 1935863, 5807589, 17422767, 52268301, 156804903]

約数ペア:

[(1, 156804903), (3, 52268301), (9, 17422767), (27, 5807589), (81, 1935863), (223, 703161), (669, 234387), (2007, 78129), (6021, 26043), (8681, 18063)]