16432311

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:291

約数の個数: 32

約数和(自身を含む): 25878528

約数和(自身を除く): 9446217

約数列:

[1, 3, 7, 21, 71, 103, 107, 213, 309, 321, 497, 721, 749, 1491, 2163, 2247, 7313, 7597, 11021, 21939, 22791, 33063, 51191, 53179, 77147, 153573, 159537, 231441, 782491, 2347473, 5477437, 16432311]

約数ペア:

[(1, 16432311), (3, 5477437), (7, 2347473), (21, 782491), (71, 231441), (103, 159537), (107, 153573), (213, 77147), (309, 53179), (321, 51191), (497, 33063), (721, 22791), (749, 21939), (1491, 11021), (2163, 7597), (2247, 7313)]