9990365

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{337}}^1$

素因数の和:378

約数の個数: 36

約数和(自身を含む): 15374268

約数和(自身を除く): 5383903

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 121, 245, 337, 385, 539, 605, 847, 1685, 2359, 2695, 3707, 4235, 5929, 11795, 16513, 18535, 25949, 29645, 40777, 82565, 129745, 181643, 203885, 285439, 908215, 1427195, 1998073, 9990365]

約数ペア:

[(1, 9990365), (5, 1998073), (7, 1427195), (11, 908215), (35, 285439), (49, 203885), (55, 181643), (77, 129745), (121, 82565), (245, 40777), (337, 29645), (385, 25949), (539, 18535), (605, 16513), (847, 11795), (1685, 5929), (2359, 4235), (2695, 3707)]