2728089

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3331}}^1$

素因数の和:3357

約数の個数: 24

約数和(自身を含む): 4851392

約数和(自身を除く): 2123303

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 3331, 9993, 23317, 29979, 43303, 69951, 129909, 209853, 303121, 389727, 909363, 2728089]

約数ペア:

[(1, 2728089), (3, 909363), (7, 389727), (9, 303121), (13, 209853), (21, 129909), (39, 69951), (63, 43303), (91, 29979), (117, 23317), (273, 9993), (819, 3331)]