156978729

素因数分解:

$3^5\times {\mathrm{646003}}^1$

素因数の和:646018

約数の個数: 12

約数和(自身を含む): 235145456

約数和(自身を除く): 78166727

約数列:

[1, 3, 9, 27, 81, 243, 646003, 1938009, 5814027, 17442081, 52326243, 156978729]

約数ペア:

[(1, 156978729), (3, 52326243), (9, 17442081), (27, 5814027), (81, 1938009), (243, 646003)]