210443387

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{390433}}^1$

素因数の和:390458

約数の個数: 12

約数和(自身を含む): 267056856

約数和(自身を除く): 56613469

約数列:

[1, 7, 11, 49, 77, 539, 390433, 2733031, 4294763, 19131217, 30063341, 210443387]

約数ペア:

[(1, 210443387), (7, 30063341), (11, 19131217), (49, 4294763), (77, 2733031), (539, 390433)]