9989287

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1$

素因数の和:499

約数の個数: 24

約数和(自身を含む): 13001472

約数和(自身を除く): 3012185

約数列:

[1, 7, 11, 43, 49, 77, 301, 431, 473, 539, 2107, 3017, 3311, 4741, 18533, 21119, 23177, 33187, 129731, 203863, 232309, 908117, 1427041, 9989287]

約数ペア:

[(1, 9989287), (7, 1427041), (11, 908117), (43, 232309), (49, 203863), (77, 129731), (301, 33187), (431, 23177), (473, 21119), (539, 18533), (2107, 4741), (3017, 3311)]