886221

素因数分解:

$3^5\times 7^1\times {\mathrm{521}}^1$

素因数の和:543

約数の個数: 24

約数和(自身を含む): 1520064

約数和(自身を除く): 633843

約数列:

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

約数ペア:

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