2179331

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:143

約数の個数: 24

約数和(自身を含む): 2860032

約数和(自身を除く): 680701

約数列:

[1, 7, 11, 31, 77, 83, 121, 217, 341, 581, 847, 913, 2387, 2573, 3751, 6391, 10043, 18011, 26257, 28303, 70301, 198121, 311333, 2179331]

約数ペア:

[(1, 2179331), (7, 311333), (11, 198121), (31, 70301), (77, 28303), (83, 26257), (121, 18011), (217, 10043), (341, 6391), (581, 3751), (847, 2573), (913, 2387)]