207811721

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{22739}}^1$

素因数の和:22808

約数の個数: 16

約数和(自身を含む): 241953600

約数和(自身を除く): 34141879

約数列:

[1, 13, 19, 37, 247, 481, 703, 9139, 22739, 295607, 432041, 841343, 5616533, 10937459, 15985517, 207811721]

約数ペア:

[(1, 207811721), (13, 15985517), (19, 10937459), (37, 5616533), (247, 841343), (481, 432041), (703, 295607), (9139, 22739)]