688667979

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{53003}}^1$

素因数の和:53138

約数の個数: 16

約数和(自身を含む): 946439424

約数和(自身を除く): 257771445

約数列:

[1, 3, 61, 71, 183, 213, 4331, 12993, 53003, 159009, 3233183, 3763213, 9699549, 11289639, 229555993, 688667979]

約数ペア:

[(1, 688667979), (3, 229555993), (61, 11289639), (71, 9699549), (183, 3763213), (213, 3233183), (4331, 159009), (12993, 53003)]