81307986

素因数分解:

$2^1\times 3^1\times {\mathrm{163}}^1\times {\mathrm{83137}}^1$

素因数の和:83305

約数の個数: 16

約数和(自身を含む): 163615584

約数和(自身を除く): 82307598

約数列:

[1, 2, 3, 6, 163, 326, 489, 978, 83137, 166274, 249411, 498822, 13551331, 27102662, 40653993, 81307986]

約数ペア:

[(1, 81307986), (2, 40653993), (3, 27102662), (6, 13551331), (163, 498822), (326, 249411), (489, 166274), (978, 83137)]