289789731

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{479}}^1$

素因数の和:606

約数の個数: 80

約数和(自身を含む): 546416640

約数和(自身を除く): 256626909

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 81, 97, 99, 189, 231, 291, 297, 479, 567, 679, 693, 873, 891, 1067, 1437, 2037, 2079, 2619, 3201, 3353, 4311, 5269, 6111, 6237, 7469, 7857, 9603, 10059, 12933, 15807, 18333, 22407, 28809, 30177, 36883, 38799, 46463, 47421, 54999, 67221, 86427, 90531, 110649, 139389, 142263, 201663, 271593, 325241, 331947, 418167, 426789, 511093, 604989, 975723, 995841, 1254501, 1533279, 2927169, 2987523, 3577651, 3763503, 4599837, 8781507, 10732953, 13799511, 26344521, 32198859, 41398533, 96596577, 289789731]

約数ペア:

[(1, 289789731), (3, 96596577), (7, 41398533), (9, 32198859), (11, 26344521), (21, 13799511), (27, 10732953), (33, 8781507), (63, 4599837), (77, 3763503), (81, 3577651), (97, 2987523), (99, 2927169), (189, 1533279), (231, 1254501), (291, 995841), (297, 975723), (479, 604989), (567, 511093), (679, 426789), (693, 418167), (873, 331947), (891, 325241), (1067, 271593), (1437, 201663), (2037, 142263), (2079, 139389), (2619, 110649), (3201, 90531), (3353, 86427), (4311, 67221), (5269, 54999), (6111, 47421), (6237, 46463), (7469, 38799), (7857, 36883), (9603, 30177), (10059, 28809), (12933, 22407), (15807, 18333)]