12878517

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{613}}^1$

素因数の和:812

約数の個数: 16

約数和(自身を含む): 17683200

約数和(自身を除く): 4804683

約数列:

[1, 3, 47, 141, 149, 447, 613, 1839, 7003, 21009, 28811, 86433, 91337, 274011, 4292839, 12878517]

約数ペア:

[(1, 12878517), (3, 4292839), (47, 274011), (141, 91337), (149, 86433), (447, 28811), (613, 21009), (1839, 7003)]