207834957

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{18913}}^1$

素因数の和:18970

約数の個数: 32

約数和(自身を含む): 344991360

約数和(自身を除く): 137156403

約数列:

[1, 3, 9, 11, 27, 33, 37, 99, 111, 297, 333, 407, 999, 1221, 3663, 10989, 18913, 56739, 170217, 208043, 510651, 624129, 699781, 1872387, 2099343, 5617161, 6298029, 7697591, 18894087, 23092773, 69278319, 207834957]

約数ペア:

[(1, 207834957), (3, 69278319), (9, 23092773), (11, 18894087), (27, 7697591), (33, 6298029), (37, 5617161), (99, 2099343), (111, 1872387), (297, 699781), (333, 624129), (407, 510651), (999, 208043), (1221, 170217), (3663, 56739), (10989, 18913)]