9947853

素因数分解:

$3^4\times {\mathrm{191}}^1\times {\mathrm{643}}^1$

素因数の和:846

約数の個数: 20

約数和(自身を含む): 14961408

約数和(自身を除く): 5013555

約数列:

[1, 3, 9, 27, 81, 191, 573, 643, 1719, 1929, 5157, 5787, 15471, 17361, 52083, 122813, 368439, 1105317, 3315951, 9947853]

約数ペア:

[(1, 9947853), (3, 3315951), (9, 1105317), (27, 368439), (81, 122813), (191, 52083), (573, 17361), (643, 15471), (1719, 5787), (1929, 5157)]