85890231

素因数分解:

$3^2\times 7^1\times {\mathrm{241}}^1\times {\mathrm{5657}}^1$

素因数の和:5911

約数の個数: 24

約数和(自身を含む): 142400544

約数和(自身を除く): 56510313

約数列:

[1, 3, 7, 9, 21, 63, 241, 723, 1687, 2169, 5061, 5657, 15183, 16971, 39599, 50913, 118797, 356391, 1363337, 4090011, 9543359, 12270033, 28630077, 85890231]

約数ペア:

[(1, 85890231), (3, 28630077), (7, 12270033), (9, 9543359), (21, 4090011), (63, 1363337), (241, 356391), (723, 118797), (1687, 50913), (2169, 39599), (5061, 16971), (5657, 15183)]