128515387

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{18341}}^1$

素因数の和:18379

約数の個数: 24

約数和(自身を含む): 175642992

約数和(自身を除く): 47127605

約数列:

[1, 7, 11, 13, 49, 77, 91, 143, 539, 637, 1001, 7007, 18341, 128387, 201751, 238433, 898709, 1412257, 1669031, 2622763, 9885799, 11683217, 18359341, 128515387]

約数ペア:

[(1, 128515387), (7, 18359341), (11, 11683217), (13, 9885799), (49, 2622763), (77, 1669031), (91, 1412257), (143, 898709), (539, 238433), (637, 201751), (1001, 128387), (7007, 18341)]