251137287

素因数分解:

$3^3\times {\mathrm{79}}^1\times {\mathrm{281}}^1\times {\mathrm{419}}^1$

素因数の和:788

約数の個数: 32

約数和(自身を含む): 379008000

約数和(自身を除く): 127870713

約数列:

[1, 3, 9, 27, 79, 237, 281, 419, 711, 843, 1257, 2133, 2529, 3771, 7587, 11313, 22199, 33101, 66597, 99303, 117739, 199791, 297909, 353217, 599373, 893727, 1059651, 3178953, 9301381, 27904143, 83712429, 251137287]

約数ペア:

[(1, 251137287), (3, 83712429), (9, 27904143), (27, 9301381), (79, 3178953), (237, 1059651), (281, 893727), (419, 599373), (711, 353217), (843, 297909), (1257, 199791), (2133, 117739), (2529, 99303), (3771, 66597), (7587, 33101), (11313, 22199)]