2658663

素因数分解:

$3^6\times 7^1\times {\mathrm{521}}^1$

素因数の和:546

約数の個数: 28

約数和(自身を含む): 4564368

約数和(自身を除く): 1905705

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 521, 567, 729, 1563, 1701, 3647, 4689, 5103, 10941, 14067, 32823, 42201, 98469, 126603, 295407, 379809, 886221, 2658663]

約数ペア:

[(1, 2658663), (3, 886221), (7, 379809), (9, 295407), (21, 126603), (27, 98469), (63, 42201), (81, 32823), (189, 14067), (243, 10941), (521, 5103), (567, 4689), (729, 3647), (1563, 1701)]