388679967

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{3359}}^1$

素因数の和:3444

約数の個数: 48

約数和(自身を含む): 645765120

約数和(自身を除く): 257085153

約数列:

[1, 3, 9, 13, 23, 39, 43, 69, 117, 129, 207, 299, 387, 559, 897, 989, 1677, 2691, 2967, 3359, 5031, 8901, 10077, 12857, 30231, 38571, 43667, 77257, 115713, 131001, 144437, 231771, 393003, 433311, 695313, 1004341, 1299933, 1877681, 3013023, 3322051, 5633043, 9039069, 9966153, 16899129, 29898459, 43186663, 129559989, 388679967]

約数ペア:

[(1, 388679967), (3, 129559989), (9, 43186663), (13, 29898459), (23, 16899129), (39, 9966153), (43, 9039069), (69, 5633043), (117, 3322051), (129, 3013023), (207, 1877681), (299, 1299933), (387, 1004341), (559, 695313), (897, 433311), (989, 393003), (1677, 231771), (2691, 144437), (2967, 131001), (3359, 115713), (5031, 77257), (8901, 43667), (10077, 38571), (12857, 30231)]