51335781

素因数分解:

$3^1\times 7^4\times {\mathrm{7127}}^1$

素因数の和:7158

約数の個数: 20

約数和(自身を含む): 79862112

約数和(自身を除く): 28526331

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 2401, 7127, 7203, 21381, 49889, 149667, 349223, 1047669, 2444561, 7333683, 17111927, 51335781]

約数ペア:

[(1, 51335781), (3, 17111927), (7, 7333683), (21, 2444561), (49, 1047669), (147, 349223), (343, 149667), (1029, 49889), (2401, 21381), (7127, 7203)]