19860777

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{479}}^1$

素因数の和:773

約数の個数: 24

約数和(自身を含む): 30551040

約数和(自身を除く): 10690263

約数列:

[1, 3, 9, 17, 51, 153, 271, 479, 813, 1437, 2439, 4311, 4607, 8143, 13821, 24429, 41463, 73287, 129809, 389427, 1168281, 2206753, 6620259, 19860777]

約数ペア:

[(1, 19860777), (3, 6620259), (9, 2206753), (17, 1168281), (51, 389427), (153, 129809), (271, 73287), (479, 41463), (813, 24429), (1437, 13821), (2439, 8143), (4311, 4607)]