297990511

素因数分解:

$7^4\times {\mathrm{13}}^1\times {\mathrm{9547}}^1$

素因数の和:9588

約数の個数: 20

約数和(自身を含む): 374415272

約数和(自身を除く): 76424761

約数列:

[1, 7, 13, 49, 91, 343, 637, 2401, 4459, 9547, 31213, 66829, 124111, 467803, 868777, 3274621, 6081439, 22922347, 42570073, 297990511]

約数ペア:

[(1, 297990511), (7, 42570073), (13, 22922347), (49, 6081439), (91, 3274621), (343, 868777), (637, 467803), (2401, 124111), (4459, 66829), (9547, 31213)]