1280286

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{1129}}^1$

素因数の和:1150

約数の個数: 40

約数和(自身を含む): 3281520

約数和(自身を除く): 2001234

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 378, 567, 1129, 1134, 2258, 3387, 6774, 7903, 10161, 15806, 20322, 23709, 30483, 47418, 60966, 71127, 91449, 142254, 182898, 213381, 426762, 640143, 1280286]

約数ペア:

[(1, 1280286), (2, 640143), (3, 426762), (6, 213381), (7, 182898), (9, 142254), (14, 91449), (18, 71127), (21, 60966), (27, 47418), (42, 30483), (54, 23709), (63, 20322), (81, 15806), (126, 10161), (162, 7903), (189, 6774), (378, 3387), (567, 2258), (1129, 1134)]