16520009

素因数分解:

${\mathrm{11}}^2\times {\mathrm{311}}^1\times {\mathrm{439}}^1$

素因数の和:772

約数の個数: 12

約数和(自身を含む): 18258240

約数和(自身を除く): 1738231

約数列:

[1, 11, 121, 311, 439, 3421, 4829, 37631, 53119, 136529, 1501819, 16520009]

約数ペア:

[(1, 16520009), (11, 1501819), (121, 136529), (311, 53119), (439, 37631), (3421, 4829)]