27500011

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{18797}}^1$

素因数の和:18834

約数の個数: 16

約数和(自身を含む): 36092160

約数和(自身を除く): 8592149

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 18797, 131579, 206767, 357143, 1447369, 2500001, 3928573, 27500011]

約数ペア:

[(1, 27500011), (7, 3928573), (11, 2500001), (19, 1447369), (77, 357143), (133, 206767), (209, 131579), (1463, 18797)]