12686889

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{3049}}^1$

素因数の和:3144

約数の個数: 16

約数和(自身を含む): 18056000

約数和(自身を除く): 5369111

約数列:

[1, 3, 19, 57, 73, 219, 1387, 3049, 4161, 9147, 57931, 173793, 222577, 667731, 4228963, 12686889]

約数ペア:

[(1, 12686889), (3, 4228963), (19, 667731), (57, 222577), (73, 173793), (219, 57931), (1387, 9147), (3049, 4161)]