16390563

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{10993}}^1$

素因数の和:11074

約数の個数: 16

約数和(自身を含む): 25330176

約数和(自身を除く): 8939613

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 10993, 32979, 76951, 230853, 780503, 2341509, 5463521, 16390563]

約数ペア:

[(1, 16390563), (3, 5463521), (7, 2341509), (21, 780503), (71, 230853), (213, 76951), (497, 32979), (1491, 10993)]