28874967

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{18617}}^1$

素因数の和:18678

約数の個数: 16

約数和(自身を含む): 42895872

約数和(自身を除く): 14020905

約数列:

[1, 3, 11, 33, 47, 141, 517, 1551, 18617, 55851, 204787, 614361, 874999, 2624997, 9624989, 28874967]

約数ペア:

[(1, 28874967), (3, 9624989), (11, 2624997), (33, 874999), (47, 614361), (141, 204787), (517, 55851), (1551, 18617)]