161646759

素因数分解:

$3^5\times {\mathrm{665213}}^1$

素因数の和:665228

約数の個数: 12

約数和(自身を含む): 242137896

約数和(自身を除く): 80491137

約数列:

[1, 3, 9, 27, 81, 243, 665213, 1995639, 5986917, 17960751, 53882253, 161646759]

約数ペア:

[(1, 161646759), (3, 53882253), (9, 17960751), (27, 5986917), (81, 1995639), (243, 665213)]