66887821

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{66821}}^1$

素因数の和:66852

約数の個数: 16

約数和(自身を含む): 89808768

約数和(自身を除く): 22920947

約数列:

[1, 7, 11, 13, 77, 91, 143, 1001, 66821, 467747, 735031, 868673, 5145217, 6080711, 9555403, 66887821]

約数ペア:

[(1, 66887821), (7, 9555403), (11, 6080711), (13, 5145217), (77, 868673), (91, 735031), (143, 467747), (1001, 66821)]