991330608915

素因数分解:

$3^2\times 5^1\times {\mathrm{73}}^2\times {\mathrm{389}}^1\times {\mathrm{10627}}^1$

素因数の和:11173

約数の個数: 72

約数和(自身を含む): 1746810215280

約数和(自身を除く): 755479606365

約数列:

[1, 3, 5, 9, 15, 45, 73, 219, 365, 389, 657, 1095, 1167, 1945, 3285, 3501, 5329, 5835, 10627, 15987, 17505, 26645, 28397, 31881, 47961, 53135, 79935, 85191, 95643, 141985, 159405, 239805, 255573, 425955, 478215, 775771, 1277865, 2072981, 2327313, 3878855, 4133903, 6218943, 6981939, 10364905, 11636565, 12401709, 18656829, 20669515, 31094715, 34909695, 37205127, 56631283, 62008545, 93284145, 169893849, 186025635, 283156415, 301774919, 509681547, 849469245, 905324757, 1508874595, 2548407735, 2715974271, 4526623785, 13579871355, 22029569087, 66088707261, 110147845435, 198266121783, 330443536305, 991330608915]

約数ペア:

[(1, 991330608915), (3, 330443536305), (5, 198266121783), (9, 110147845435), (15, 66088707261), (45, 22029569087), (73, 13579871355), (219, 4526623785), (365, 2715974271), (389, 2548407735), (657, 1508874595), (1095, 905324757), (1167, 849469245), (1945, 509681547), (3285, 301774919), (3501, 283156415), (5329, 186025635), (5835, 169893849), (10627, 93284145), (15987, 62008545), (17505, 56631283), (26645, 37205127), (28397, 34909695), (31881, 31094715), (47961, 20669515), (53135, 18656829), (79935, 12401709), (85191, 11636565), (95643, 10364905), (141985, 6981939), (159405, 6218943), (239805, 4133903), (255573, 3878855), (425955, 2327313), (478215, 2072981), (775771, 1277865)]