66639993

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1\times {\mathrm{491}}^1$

素因数の和:805

約数の個数: 32

約数和(自身を含む): 106555392

約数和(自身を除く): 39915399

約数列:

[1, 3, 7, 21, 23, 69, 161, 281, 483, 491, 843, 1473, 1967, 3437, 5901, 6463, 10311, 11293, 19389, 33879, 45241, 79051, 135723, 137971, 237153, 413913, 965797, 2897391, 3173333, 9519999, 22213331, 66639993]

約数ペア:

[(1, 66639993), (3, 22213331), (7, 9519999), (21, 3173333), (23, 2897391), (69, 965797), (161, 413913), (281, 237153), (483, 137971), (491, 135723), (843, 79051), (1473, 45241), (1967, 33879), (3437, 19389), (5901, 11293), (6463, 10311)]