86557857

素因数分解:

$3^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1\times {\mathrm{857}}^1$

素因数の和:1248

約数の個数: 16

約数和(自身を含む): 116880192

約数和(自身を除く): 30322335

約数列:

[1, 3, 131, 257, 393, 771, 857, 2571, 33667, 101001, 112267, 220249, 336801, 660747, 28852619, 86557857]

約数ペア:

[(1, 86557857), (3, 28852619), (131, 660747), (257, 336801), (393, 220249), (771, 112267), (857, 101001), (2571, 33667)]