9780309

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1283}}^1$

素因数の和:1318

約数の個数: 36

約数和(自身を含む): 17760288

約数和(自身を除く): 7979979

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 121, 231, 363, 693, 847, 1089, 1283, 2541, 3849, 7623, 8981, 11547, 14113, 26943, 42339, 80829, 98791, 127017, 155243, 296373, 465729, 889119, 1086701, 1397187, 3260103, 9780309]

約数ペア:

[(1, 9780309), (3, 3260103), (7, 1397187), (9, 1086701), (11, 889119), (21, 465729), (33, 296373), (63, 155243), (77, 127017), (99, 98791), (121, 80829), (231, 42339), (363, 26943), (693, 14113), (847, 11547), (1089, 8981), (1283, 7623), (2541, 3849)]