12640059

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1$

素因数の和:359

約数の個数: 24

約数和(自身を含む): 18779904

約数和(自身を除く): 6139845

約数列:

[1, 3, 9, 71, 131, 151, 213, 393, 453, 639, 1179, 1359, 9301, 10721, 19781, 27903, 32163, 59343, 83709, 96489, 178029, 1404451, 4213353, 12640059]

約数ペア:

[(1, 12640059), (3, 4213353), (9, 1404451), (71, 178029), (131, 96489), (151, 83709), (213, 59343), (393, 32163), (453, 27903), (639, 19781), (1179, 10721), (1359, 9301)]