12812667

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{2027}}^1$

素因数の和:2087

約数の個数: 24

約数和(自身を含む): 20344896

約数和(自身を除く): 7532229

約数列:

[1, 3, 7, 21, 43, 49, 129, 147, 301, 903, 2027, 2107, 6081, 6321, 14189, 42567, 87161, 99323, 261483, 297969, 610127, 1830381, 4270889, 12812667]

約数ペア:

[(1, 12812667), (3, 4270889), (7, 1830381), (21, 610127), (43, 297969), (49, 261483), (129, 99323), (147, 87161), (301, 42567), (903, 14189), (2027, 6321), (2107, 6081)]