81316995

素因数分解:

$3^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{8431}}^1$

素因数の和:9082

約数の個数: 16

約数和(自身を含む): 130324992

約数和(自身を除く): 49007997

約数列:

[1, 3, 5, 15, 643, 1929, 3215, 8431, 9645, 25293, 42155, 126465, 5421133, 16263399, 27105665, 81316995]

約数ペア:

[(1, 81316995), (3, 27105665), (5, 16263399), (15, 5421133), (643, 126465), (1929, 42155), (3215, 25293), (8431, 9645)]