25821513

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 41932800

約数和(自身を除く): 16111287

約数列:

[1, 3, 9, 19, 29, 41, 57, 87, 123, 127, 171, 261, 369, 381, 551, 779, 1143, 1189, 1653, 2337, 2413, 3567, 3683, 4959, 5207, 7011, 7239, 10701, 11049, 15621, 21717, 22591, 33147, 46863, 67773, 69977, 98933, 151003, 203319, 209931, 296799, 453009, 629793, 890397, 1359027, 2869057, 8607171, 25821513]

約数ペア:

[(1, 25821513), (3, 8607171), (9, 2869057), (19, 1359027), (29, 890397), (41, 629793), (57, 453009), (87, 296799), (123, 209931), (127, 203319), (171, 151003), (261, 98933), (369, 69977), (381, 67773), (551, 46863), (779, 33147), (1143, 22591), (1189, 21717), (1653, 15621), (2337, 11049), (2413, 10701), (3567, 7239), (3683, 7011), (4959, 5207)]