203219919

素因数分解:

$3^2\times 7^1\times {\mathrm{271}}^1\times {\mathrm{11903}}^1$

素因数の和:12187

約数の個数: 24

約数和(自身を含む): 336740352

約数和(自身を除く): 133520433

約数列:

[1, 3, 7, 9, 21, 63, 271, 813, 1897, 2439, 5691, 11903, 17073, 35709, 83321, 107127, 249963, 749889, 3225713, 9677139, 22579991, 29031417, 67739973, 203219919]

約数ペア:

[(1, 203219919), (3, 67739973), (7, 29031417), (9, 22579991), (21, 9677139), (63, 3225713), (271, 749889), (813, 249963), (1897, 107127), (2439, 83321), (5691, 35709), (11903, 17073)]