16908831

素因数分解:

$3^4\times {\mathrm{199}}^1\times {\mathrm{1049}}^1$

素因数の和:1260

約数の個数: 20

約数和(自身を含む): 25410000

約数和(自身を除く): 8501169

約数列:

[1, 3, 9, 27, 81, 199, 597, 1049, 1791, 3147, 5373, 9441, 16119, 28323, 84969, 208751, 626253, 1878759, 5636277, 16908831]

約数ペア:

[(1, 16908831), (3, 5636277), (9, 1878759), (27, 626253), (81, 208751), (199, 84969), (597, 28323), (1049, 16119), (1791, 9441), (3147, 5373)]