28086105

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{81409}}^1$

素因数の和:81440

約数の個数: 16

約数和(自身を含む): 46892160

約数和(自身を除く): 18806055

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 81409, 244227, 407045, 1221135, 1872407, 5617221, 9362035, 28086105]

約数ペア:

[(1, 28086105), (3, 9362035), (5, 5617221), (15, 1872407), (23, 1221135), (69, 407045), (115, 244227), (345, 81409)]