211553661

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{439}}^1\times {\mathrm{859}}^1$

素因数の和:1329

約数の個数: 32

約数和(自身を含む): 326937600

約数和(自身を除く): 115383939

約数列:

[1, 3, 11, 17, 33, 51, 187, 439, 561, 859, 1317, 2577, 4829, 7463, 9449, 14487, 14603, 22389, 28347, 43809, 82093, 160633, 246279, 377101, 481899, 1131303, 4148111, 6410717, 12444333, 19232151, 70517887, 211553661]

約数ペア:

[(1, 211553661), (3, 70517887), (11, 19232151), (17, 12444333), (33, 6410717), (51, 4148111), (187, 1131303), (439, 481899), (561, 377101), (859, 246279), (1317, 160633), (2577, 82093), (4829, 43809), (7463, 28347), (9449, 22389), (14487, 14603)]