68784555

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{1459}}^1$

素因数の和:1923

約数の個数: 32

約数和(自身を含む): 126144000

約数和(自身を除く): 57359445

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 449, 1347, 1459, 2245, 3143, 4377, 6735, 7295, 9429, 10213, 15715, 21885, 30639, 47145, 51065, 153195, 655091, 1965273, 3275455, 4585637, 9826365, 13756911, 22928185, 68784555]

約数ペア:

[(1, 68784555), (3, 22928185), (5, 13756911), (7, 9826365), (15, 4585637), (21, 3275455), (35, 1965273), (105, 655091), (449, 153195), (1347, 51065), (1459, 47145), (2245, 30639), (3143, 21885), (4377, 15715), (6735, 10213), (7295, 9429)]