204865287

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{2447}}^1$

素因数の和:2563

約数の個数: 32

約数和(自身を含む): 310210560

約数和(自身を除く): 105345273

約数列:

[1, 3, 11, 33, 43, 59, 129, 177, 473, 649, 1419, 1947, 2447, 2537, 7341, 7611, 26917, 27907, 80751, 83721, 105221, 144373, 315663, 433119, 1157431, 1588103, 3472293, 4764309, 6208039, 18624117, 68288429, 204865287]

約数ペア:

[(1, 204865287), (3, 68288429), (11, 18624117), (33, 6208039), (43, 4764309), (59, 3472293), (129, 1588103), (177, 1157431), (473, 433119), (649, 315663), (1419, 144373), (1947, 105221), (2447, 83721), (2537, 80751), (7341, 27907), (7611, 26917)]