1256282811

素因数分解:

$3^3\times 7^1\times {\mathrm{59}}^1\times {\mathrm{113}}^1\times {\mathrm{997}}^1$

素因数の和:1185

約数の個数: 64

約数和(自身を含む): 2184422400

約数和(自身を除く): 928139589

約数列:

[1, 3, 7, 9, 21, 27, 59, 63, 113, 177, 189, 339, 413, 531, 791, 997, 1017, 1239, 1593, 2373, 2991, 3051, 3717, 6667, 6979, 7119, 8973, 11151, 20001, 20937, 21357, 26919, 46669, 58823, 60003, 62811, 112661, 140007, 176469, 180009, 188433, 337983, 411761, 420021, 529407, 788627, 1013949, 1235283, 1260063, 1588221, 2365881, 3041847, 3705849, 6646999, 7097643, 11117547, 19940997, 21292929, 46528993, 59822991, 139586979, 179468973, 418760937, 1256282811]

約数ペア:

[(1, 1256282811), (3, 418760937), (7, 179468973), (9, 139586979), (21, 59822991), (27, 46528993), (59, 21292929), (63, 19940997), (113, 11117547), (177, 7097643), (189, 6646999), (339, 3705849), (413, 3041847), (531, 2365881), (791, 1588221), (997, 1260063), (1017, 1235283), (1239, 1013949), (1593, 788627), (2373, 529407), (2991, 420021), (3051, 411761), (3717, 337983), (6667, 188433), (6979, 180009), (7119, 176469), (8973, 140007), (11151, 112661), (20001, 62811), (20937, 60003), (21357, 58823), (26919, 46669)]