81772369

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1\times {\mathrm{857}}^1$

素因数の和:1224

約数の個数: 16

約数和(自身を含む): 96041088

約数和(自身を除く): 14268719

約数列:

[1, 7, 43, 301, 317, 857, 2219, 5999, 13631, 36851, 95417, 257957, 271669, 1901683, 11681767, 81772369]

約数ペア:

[(1, 81772369), (7, 11681767), (43, 1901683), (301, 271669), (317, 257957), (857, 95417), (2219, 36851), (5999, 13631)]