81278967

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{1103}}^1$

素因数の和:1164

約数の個数: 48

約数和(自身を含む): 140958720

約数和(自身を除く): 59679753

約数列:

[1, 3, 7, 11, 21, 29, 33, 77, 87, 121, 203, 231, 319, 363, 609, 847, 957, 1103, 2233, 2541, 3309, 3509, 6699, 7721, 10527, 12133, 23163, 24563, 31987, 36399, 73689, 84931, 95961, 133463, 223909, 254793, 351857, 400389, 671727, 934241, 1055571, 2462999, 2802723, 3870427, 7388997, 11611281, 27092989, 81278967]

約数ペア:

[(1, 81278967), (3, 27092989), (7, 11611281), (11, 7388997), (21, 3870427), (29, 2802723), (33, 2462999), (77, 1055571), (87, 934241), (121, 671727), (203, 400389), (231, 351857), (319, 254793), (363, 223909), (609, 133463), (847, 95961), (957, 84931), (1103, 73689), (2233, 36399), (2541, 31987), (3309, 24563), (3509, 23163), (6699, 12133), (7721, 10527)]