13221081

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{269}}^1$

素因数の和:445

約数の個数: 24

約数和(自身を含む): 19768320

約数和(自身を除く): 6547239

約数列:

[1, 3, 9, 43, 127, 129, 269, 381, 387, 807, 1143, 2421, 5461, 11567, 16383, 34163, 34701, 49149, 102489, 104103, 307467, 1469009, 4407027, 13221081]

約数ペア:

[(1, 13221081), (3, 4407027), (9, 1469009), (43, 307467), (127, 104103), (129, 102489), (269, 49149), (381, 34701), (387, 34163), (807, 16383), (1143, 11567), (2421, 5461)]