25280697

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{313}}^1$

素因数の和:457

約数の個数: 32

約数和(自身を含む): 38684800

約数和(自身を除く): 13404103

約数列:

[1, 3, 13, 19, 39, 57, 109, 247, 313, 327, 741, 939, 1417, 2071, 4069, 4251, 5947, 6213, 12207, 17841, 26923, 34117, 77311, 80769, 102351, 231933, 443521, 648223, 1330563, 1944669, 8426899, 25280697]

約数ペア:

[(1, 25280697), (3, 8426899), (13, 1944669), (19, 1330563), (39, 648223), (57, 443521), (109, 231933), (247, 102351), (313, 80769), (327, 77311), (741, 34117), (939, 26923), (1417, 17841), (2071, 12207), (4069, 6213), (4251, 5947)]