2145913

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2$

素因数の和:109

約数の個数: 24

約数和(自身を含む): 2859840

約数和(自身を除く): 713927

約数列:

[1, 7, 11, 29, 31, 77, 203, 217, 319, 341, 899, 961, 2233, 2387, 6293, 6727, 9889, 10571, 27869, 69223, 73997, 195083, 306559, 2145913]

約数ペア:

[(1, 2145913), (7, 306559), (11, 195083), (29, 73997), (31, 69223), (77, 27869), (203, 10571), (217, 9889), (319, 6727), (341, 6293), (899, 2387), (961, 2233)]