18810080247

素因数分解:

$3^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{2706097}}^1$

素因数の和:2706438

約数の個数: 16

約数和(自身を含む): 28749585152

約数和(自身を除く): 9939504905

約数列:

[1, 3, 7, 21, 331, 993, 2317, 6951, 2706097, 8118291, 18942679, 56828037, 895718107, 2687154321, 6270026749, 18810080247]

約数ペア:

[(1, 18810080247), (3, 6270026749), (7, 2687154321), (21, 895718107), (331, 56828037), (993, 18942679), (2317, 8118291), (6951, 2706097)]