5256657

素因数分解:

$3^4\times 7^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:219

約数の個数: 40

約数和(自身を含む): 9168896

約数和(自身を除く): 3912239

約数列:

[1, 3, 7, 9, 21, 27, 63, 73, 81, 127, 189, 219, 381, 511, 567, 657, 889, 1143, 1533, 1971, 2667, 3429, 4599, 5913, 8001, 9271, 10287, 13797, 24003, 27813, 41391, 64897, 72009, 83439, 194691, 250317, 584073, 750951, 1752219, 5256657]

約数ペア:

[(1, 5256657), (3, 1752219), (7, 750951), (9, 584073), (21, 250317), (27, 194691), (63, 83439), (73, 72009), (81, 64897), (127, 41391), (189, 27813), (219, 24003), (381, 13797), (511, 10287), (567, 9271), (657, 8001), (889, 5913), (1143, 4599), (1533, 3429), (1971, 2667)]