25563879

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 42831360

約数和(自身を除く): 17267481

約数列:

[1, 3, 9, 11, 23, 33, 69, 99, 103, 109, 207, 253, 309, 327, 759, 927, 981, 1133, 1199, 2277, 2369, 2507, 3399, 3597, 7107, 7521, 10197, 10791, 11227, 21321, 22563, 26059, 27577, 33681, 78177, 82731, 101043, 123497, 234531, 248193, 258221, 370491, 774663, 1111473, 2323989, 2840431, 8521293, 25563879]

約数ペア:

[(1, 25563879), (3, 8521293), (9, 2840431), (11, 2323989), (23, 1111473), (33, 774663), (69, 370491), (99, 258221), (103, 248193), (109, 234531), (207, 123497), (253, 101043), (309, 82731), (327, 78177), (759, 33681), (927, 27577), (981, 26059), (1133, 22563), (1199, 21321), (2277, 11227), (2369, 10791), (2507, 10197), (3399, 7521), (3597, 7107)]