168766281

素因数分解:

$3^3\times {\mathrm{643}}^1\times {\mathrm{9721}}^1$

素因数の和:10373

約数の個数: 16

約数和(自身を含む): 250438720

約数和(自身を除く): 81672439

約数列:

[1, 3, 9, 27, 643, 1929, 5787, 9721, 17361, 29163, 87489, 262467, 6250603, 18751809, 56255427, 168766281]

約数ペア:

[(1, 168766281), (3, 56255427), (9, 18751809), (27, 6250603), (643, 262467), (1929, 87489), (5787, 29163), (9721, 17361)]