210318787

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{18287}}^1$

素因数の和:18378

約数の個数: 16

約数和(自身を含む): 252813312

約数和(自身を除く): 42494525

約数列:

[1, 7, 31, 53, 217, 371, 1643, 11501, 18287, 128009, 566897, 969211, 3968279, 6784477, 30045541, 210318787]

約数ペア:

[(1, 210318787), (7, 30045541), (31, 6784477), (53, 3968279), (217, 969211), (371, 566897), (1643, 128009), (11501, 18287)]