129120145

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{47911}}^1$

素因数の和:47941

約数の個数: 24

約数和(自身を含む): 196630848

約数和(自身を除く): 67510703

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 385, 539, 2695, 47911, 239555, 335377, 527021, 1676885, 2347639, 2635105, 3689147, 11738195, 18445735, 25824029, 129120145]

約数ペア:

[(1, 129120145), (5, 25824029), (7, 18445735), (11, 11738195), (35, 3689147), (49, 2635105), (55, 2347639), (77, 1676885), (245, 527021), (385, 335377), (539, 239555), (2695, 47911)]