128001181

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{21589}}^1$

素因数の和:21625

約数の個数: 18

約数和(自身を含む): 163673790

約数和(自身を除く): 35672609

約数列:

[1, 7, 11, 49, 77, 121, 539, 847, 5929, 21589, 151123, 237479, 1057861, 1662353, 2612269, 11636471, 18285883, 128001181]

約数ペア:

[(1, 128001181), (7, 18285883), (11, 11636471), (49, 2612269), (77, 1662353), (121, 1057861), (539, 237479), (847, 151123), (5929, 21589)]