8889111

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 16293888

約数和(自身を除く): 7404777

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 101, 127, 231, 303, 381, 693, 707, 889, 909, 1111, 1143, 1397, 2121, 2667, 3333, 4191, 6363, 7777, 8001, 9779, 9999, 12573, 12827, 23331, 29337, 38481, 69993, 88011, 89789, 115443, 141097, 269367, 423291, 808101, 987679, 1269873, 2963037, 8889111]

約数ペア:

[(1, 8889111), (3, 2963037), (7, 1269873), (9, 987679), (11, 808101), (21, 423291), (33, 269367), (63, 141097), (77, 115443), (99, 89789), (101, 88011), (127, 69993), (231, 38481), (303, 29337), (381, 23331), (693, 12827), (707, 12573), (889, 9999), (909, 9779), (1111, 8001), (1143, 7777), (1397, 6363), (2121, 4191), (2667, 3333)]