15828057

素因数分解:

$3^2\times 7^1\times {\mathrm{277}}^1\times {\mathrm{907}}^1$

素因数の和:1197

約数の個数: 24

約数和(自身を含む): 26252096

約数和(自身を除く): 10424039

約数列:

[1, 3, 7, 9, 21, 63, 277, 831, 907, 1939, 2493, 2721, 5817, 6349, 8163, 17451, 19047, 57141, 251239, 753717, 1758673, 2261151, 5276019, 15828057]

約数ペア:

[(1, 15828057), (3, 5276019), (7, 2261151), (9, 1758673), (21, 753717), (63, 251239), (277, 57141), (831, 19047), (907, 17451), (1939, 8163), (2493, 6349), (2721, 5817)]