8642781

素因数分解:

$3^5\times 7^1\times {\mathrm{5081}}^1$

素因数の和:5103

約数の個数: 24

約数和(自身を含む): 14798784

約数和(自身を除く): 6156003

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 5081, 15243, 35567, 45729, 106701, 137187, 320103, 411561, 960309, 1234683, 2880927, 8642781]

約数ペア:

[(1, 8642781), (3, 2880927), (7, 1234683), (9, 960309), (21, 411561), (27, 320103), (63, 137187), (81, 106701), (189, 45729), (243, 35567), (567, 15243), (1701, 5081)]