160920009

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{251831}}^1$

素因数の和:251908

約数の個数: 12

約数和(自身を含む): 235714752

約数和(自身を除く): 74794743

約数列:

[1, 3, 9, 71, 213, 639, 251831, 755493, 2266479, 17880001, 53640003, 160920009]

約数ペア:

[(1, 160920009), (3, 53640003), (9, 17880001), (71, 2266479), (213, 755493), (639, 251831)]