81217927

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{5741}}^1$

素因数の和:5838

約数の個数: 16

約数和(自身を含む): 97016832

約数和(自身を除く): 15798905

約数列:

[1, 7, 43, 47, 301, 329, 2021, 5741, 14147, 40187, 246863, 269827, 1728041, 1888789, 11602561, 81217927]

約数ペア:

[(1, 81217927), (7, 11602561), (43, 1888789), (47, 1728041), (301, 269827), (329, 246863), (2021, 40187), (5741, 14147)]