279991103

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{17551}}^1$

素因数の和:17654

約数の個数: 16

約数和(自身を含む): 333628416

約数和(自身を除く): 53637313

約数列:

[1, 7, 43, 53, 301, 371, 2279, 15953, 17551, 122857, 754693, 930203, 5282851, 6511421, 39998729, 279991103]

約数ペア:

[(1, 279991103), (7, 39998729), (43, 6511421), (53, 5282851), (301, 930203), (371, 754693), (2279, 122857), (15953, 17551)]