12740385

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1811}}^1$

素因数の和:1893

約数の個数: 32

約数和(自身を含む): 23657472

約数和(自身を除く): 10917087

約数列:

[1, 3, 5, 7, 15, 21, 35, 67, 105, 201, 335, 469, 1005, 1407, 1811, 2345, 5433, 7035, 9055, 12677, 27165, 38031, 63385, 121337, 190155, 364011, 606685, 849359, 1820055, 2548077, 4246795, 12740385]

約数ペア:

[(1, 12740385), (3, 4246795), (5, 2548077), (7, 1820055), (15, 849359), (21, 606685), (35, 364011), (67, 190155), (105, 121337), (201, 63385), (335, 38031), (469, 27165), (1005, 12677), (1407, 9055), (1811, 7035), (2345, 5433)]