231566997

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{193}}^1$

素因数の和:441

約数の個数: 32

約数和(自身を含む): 324504576

約数和(自身を除く): 92937579

約数列:

[1, 3, 43, 71, 129, 131, 193, 213, 393, 579, 3053, 5633, 8299, 9159, 9301, 13703, 16899, 24897, 25283, 27903, 41109, 75849, 399943, 589229, 1087169, 1199829, 1767687, 1795093, 3261507, 5385279, 77188999, 231566997]

約数ペア:

[(1, 231566997), (3, 77188999), (43, 5385279), (71, 3261507), (129, 1795093), (131, 1767687), (193, 1199829), (213, 1087169), (393, 589229), (579, 399943), (3053, 75849), (5633, 41109), (8299, 27903), (9159, 25283), (9301, 24897), (13703, 16899)]