828387

素因数分解:

$3^5\times 7^1\times {\mathrm{487}}^1$

素因数の和:509

約数の個数: 24

約数和(自身を含む): 1421056

約数和(自身を除く): 592669

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 487, 567, 1461, 1701, 3409, 4383, 10227, 13149, 30681, 39447, 92043, 118341, 276129, 828387]

約数ペア:

[(1, 828387), (3, 276129), (7, 118341), (9, 92043), (21, 39447), (27, 30681), (63, 13149), (81, 10227), (189, 4383), (243, 3409), (487, 1701), (567, 1461)]