31302579

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 53387264

約数和(自身を除く): 22084685

約数列:

[1, 3, 7, 11, 21, 33, 77, 97, 121, 127, 231, 291, 363, 381, 679, 847, 889, 1067, 1397, 2037, 2541, 2667, 3201, 4191, 7469, 9779, 11737, 12319, 15367, 22407, 29337, 35211, 36957, 46101, 82159, 86233, 107569, 135509, 246477, 258699, 322707, 406527, 948563, 1490599, 2845689, 4471797, 10434193, 31302579]

約数ペア:

[(1, 31302579), (3, 10434193), (7, 4471797), (11, 2845689), (21, 1490599), (33, 948563), (77, 406527), (97, 322707), (121, 258699), (127, 246477), (231, 135509), (291, 107569), (363, 86233), (381, 82159), (679, 46101), (847, 36957), (889, 35211), (1067, 29337), (1397, 22407), (2037, 15367), (2541, 12319), (2667, 11737), (3201, 9779), (4191, 7469)]