2509437

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{397}}^1$

素因数の和:457

約数の個数: 24

約数和(自身を含む): 3992736

約数和(自身を除く): 1483299

約数列:

[1, 3, 7, 21, 43, 49, 129, 147, 301, 397, 903, 1191, 2107, 2779, 6321, 8337, 17071, 19453, 51213, 58359, 119497, 358491, 836479, 2509437]

約数ペア:

[(1, 2509437), (3, 836479), (7, 358491), (21, 119497), (43, 58359), (49, 51213), (129, 19453), (147, 17071), (301, 8337), (397, 6321), (903, 2779), (1191, 2107)]