12758571

素因数分解:

$3^2\times 7^3\times {\mathrm{4133}}^1$

素因数の和:4160

約数の個数: 24

約数和(自身を含む): 21496800

約数和(自身を除く): 8738229

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 4133, 12399, 28931, 37197, 86793, 202517, 260379, 607551, 1417619, 1822653, 4252857, 12758571]

約数ペア:

[(1, 12758571), (3, 4252857), (7, 1822653), (9, 1417619), (21, 607551), (49, 260379), (63, 202517), (147, 86793), (343, 37197), (441, 28931), (1029, 12399), (3087, 4133)]