27770769

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1$

素因数の和:236

約数の個数: 48

約数和(自身を含む): 45864000

約数和(自身を除く): 18093231

約数列:

[1, 3, 9, 13, 27, 39, 59, 81, 117, 149, 177, 243, 351, 447, 531, 767, 1053, 1341, 1593, 1937, 2301, 3159, 4023, 4779, 5811, 6903, 8791, 12069, 14337, 17433, 20709, 26373, 36207, 52299, 62127, 79119, 114283, 156897, 186381, 237357, 342849, 470691, 712071, 1028547, 2136213, 3085641, 9256923, 27770769]

約数ペア:

[(1, 27770769), (3, 9256923), (9, 3085641), (13, 2136213), (27, 1028547), (39, 712071), (59, 470691), (81, 342849), (117, 237357), (149, 186381), (177, 156897), (243, 114283), (351, 79119), (447, 62127), (531, 52299), (767, 36207), (1053, 26373), (1341, 20709), (1593, 17433), (1937, 14337), (2301, 12069), (3159, 8791), (4023, 6903), (4779, 5811)]