1252804539

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3139861}}^1$

素因数の和:3139890

約数の個数: 16

約数和(自身を含む): 2009511680

約数和(自身を除く): 756707141

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 3139861, 9419583, 21979027, 59657359, 65937081, 178972077, 417601513, 1252804539]

約数ペア:

[(1, 1252804539), (3, 417601513), (7, 178972077), (19, 65937081), (21, 59657359), (57, 21979027), (133, 9419583), (399, 3139861)]