207864237

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{520963}}^1$

素因数の和:520992

約数の個数: 16

約数和(自身を含む): 333416960

約数和(自身を除く): 125552723

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 520963, 1562889, 3646741, 9898297, 10940223, 29694891, 69288079, 207864237]

約数ペア:

[(1, 207864237), (3, 69288079), (7, 29694891), (19, 10940223), (21, 9898297), (57, 3646741), (133, 1562889), (399, 520963)]