857259

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{431}}^1$

素因数の和:467

約数の個数: 24

約数和(自身を含む): 1415232

約数和(自身を除く): 557973

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 431, 663, 1293, 1989, 3879, 5603, 7327, 16809, 21981, 50427, 65943, 95251, 285753, 857259]

約数ペア:

[(1, 857259), (3, 285753), (9, 95251), (13, 65943), (17, 50427), (39, 21981), (51, 16809), (117, 7327), (153, 5603), (221, 3879), (431, 1989), (663, 1293)]