81486447

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{1493}}^1$

素因数の和:1639

約数の個数: 32

約数和(自身を含む): 130802688

約数和(自身を除く): 49316241

約数列:

[1, 3, 7, 21, 23, 69, 113, 161, 339, 483, 791, 1493, 2373, 2599, 4479, 7797, 10451, 18193, 31353, 34339, 54579, 103017, 168709, 240373, 506127, 721119, 1180963, 3542889, 3880307, 11640921, 27162149, 81486447]

約数ペア:

[(1, 81486447), (3, 27162149), (7, 11640921), (21, 3880307), (23, 3542889), (69, 1180963), (113, 721119), (161, 506127), (339, 240373), (483, 168709), (791, 103017), (1493, 54579), (2373, 34339), (2599, 31353), (4479, 18193), (7797, 10451)]