28724311

素因数分解:

$7^1\times {\mathrm{11}}^3\times {\mathrm{3083}}^1$

素因数の和:3123

約数の個数: 16

約数和(自身を含む): 36119808

約数和(自身を除く): 7395497

約数列:

[1, 7, 11, 77, 121, 847, 1331, 3083, 9317, 21581, 33913, 237391, 373043, 2611301, 4103473, 28724311]

約数ペア:

[(1, 28724311), (7, 4103473), (11, 2611301), (77, 373043), (121, 237391), (847, 33913), (1331, 21581), (3083, 9317)]