2647533

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{907}}^1$

素因数の和:1056

約数の個数: 16

約数和(自身を含む): 4067840

約数和(自身を除く): 1420307

約数列:

[1, 3, 7, 21, 139, 417, 907, 973, 2721, 2919, 6349, 19047, 126073, 378219, 882511, 2647533]

約数ペア:

[(1, 2647533), (3, 882511), (7, 378219), (21, 126073), (139, 19047), (417, 6349), (907, 2919), (973, 2721)]