81375005

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{50387}}^1$

素因数の和:50428

約数の個数: 16

約数和(自身を含む): 108838080

約数和(自身を除く): 27463075

約数列:

[1, 5, 17, 19, 85, 95, 323, 1615, 50387, 251935, 856579, 957353, 4282895, 4786765, 16275001, 81375005]

約数ペア:

[(1, 81375005), (5, 16275001), (17, 4786765), (19, 4282895), (85, 957353), (95, 856579), (323, 251935), (1615, 50387)]