13481559

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:122

約数の個数: 80

約数和(自身を含む): 26019840

約数和(自身を除く): 12538281

約数列:

[1, 3, 7, 9, 13, 21, 27, 31, 39, 59, 63, 81, 91, 93, 117, 177, 189, 217, 273, 279, 351, 403, 413, 531, 567, 651, 767, 819, 837, 1053, 1209, 1239, 1593, 1829, 1953, 2301, 2457, 2511, 2821, 3627, 3717, 4779, 5369, 5487, 5859, 6903, 7371, 8463, 10881, 11151, 12803, 16107, 16461, 17577, 20709, 23777, 25389, 32643, 33453, 38409, 48321, 49383, 62127, 71331, 76167, 115227, 144963, 148149, 166439, 213993, 228501, 345681, 434889, 499317, 641979, 1037043, 1497951, 1925937, 4493853, 13481559]

約数ペア:

[(1, 13481559), (3, 4493853), (7, 1925937), (9, 1497951), (13, 1037043), (21, 641979), (27, 499317), (31, 434889), (39, 345681), (59, 228501), (63, 213993), (81, 166439), (91, 148149), (93, 144963), (117, 115227), (177, 76167), (189, 71331), (217, 62127), (273, 49383), (279, 48321), (351, 38409), (403, 33453), (413, 32643), (531, 25389), (567, 23777), (651, 20709), (767, 17577), (819, 16461), (837, 16107), (1053, 12803), (1209, 11151), (1239, 10881), (1593, 8463), (1829, 7371), (1953, 6903), (2301, 5859), (2457, 5487), (2511, 5369), (2821, 4779), (3627, 3717)]