5491143

素因数分解:

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

素因数の和:2083

約数の個数: 24

約数和(自身を含む): 9280128

約数和(自身を除く): 3788985

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2027, 2709, 6081, 14189, 18243, 42567, 87161, 127701, 261483, 610127, 784449, 1830381, 5491143]

約数ペア:

[(1, 5491143), (3, 1830381), (7, 784449), (9, 610127), (21, 261483), (43, 127701), (63, 87161), (129, 42567), (301, 18243), (387, 14189), (903, 6081), (2027, 2709)]