6397881

素因数分解:

$3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{613}}^1$

素因数の和:701

約数の個数: 24

約数和(自身を含む): 10079424

約数和(自身を除く): 3681543

約数列:

[1, 3, 7, 21, 49, 71, 147, 213, 497, 613, 1491, 1839, 3479, 4291, 10437, 12873, 30037, 43523, 90111, 130569, 304661, 913983, 2132627, 6397881]

約数ペア:

[(1, 6397881), (3, 2132627), (7, 913983), (21, 304661), (49, 130569), (71, 90111), (147, 43523), (213, 30037), (497, 12873), (613, 10437), (1491, 4291), (1839, 3479)]