231380919

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{127}}^1\times {\mathrm{239}}^1$

素因数の和:401

約数の個数: 72

約数和(自身を含む): 424919040

約数和(自身を除く): 193538121

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 121, 127, 231, 239, 363, 381, 693, 717, 847, 889, 1089, 1143, 1397, 1673, 2151, 2541, 2629, 2667, 4191, 5019, 7623, 7887, 8001, 9779, 12573, 15057, 15367, 18403, 23661, 28919, 29337, 30353, 46101, 55209, 86757, 88011, 91059, 107569, 138303, 165627, 202433, 212471, 260271, 273177, 322707, 333883, 607299, 637413, 968121, 1001649, 1821897, 1912239, 2337181, 3004947, 3672713, 7011543, 11018139, 21034629, 25708991, 33054417, 77126973, 231380919]

約数ペア:

[(1, 231380919), (3, 77126973), (7, 33054417), (9, 25708991), (11, 21034629), (21, 11018139), (33, 7011543), (63, 3672713), (77, 3004947), (99, 2337181), (121, 1912239), (127, 1821897), (231, 1001649), (239, 968121), (363, 637413), (381, 607299), (693, 333883), (717, 322707), (847, 273177), (889, 260271), (1089, 212471), (1143, 202433), (1397, 165627), (1673, 138303), (2151, 107569), (2541, 91059), (2629, 88011), (2667, 86757), (4191, 55209), (5019, 46101), (7623, 30353), (7887, 29337), (8001, 28919), (9779, 23661), (12573, 18403), (15057, 15367)]