25184481

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:234

約数の個数: 48

約数和(自身を含む): 42024960

約数和(自身を除く): 16840479

約数列:

[1, 3, 7, 19, 21, 49, 57, 71, 127, 133, 147, 213, 381, 399, 497, 889, 931, 1349, 1491, 2413, 2667, 2793, 3479, 4047, 6223, 7239, 9017, 9443, 10437, 16891, 18669, 27051, 28329, 50673, 63119, 66101, 118237, 171323, 189357, 198303, 354711, 441833, 513969, 1199261, 1325499, 3597783, 8394827, 25184481]

約数ペア:

[(1, 25184481), (3, 8394827), (7, 3597783), (19, 1325499), (21, 1199261), (49, 513969), (57, 441833), (71, 354711), (127, 198303), (133, 189357), (147, 171323), (213, 118237), (381, 66101), (399, 63119), (497, 50673), (889, 28329), (931, 27051), (1349, 18669), (1491, 16891), (2413, 10437), (2667, 9443), (2793, 9017), (3479, 7239), (4047, 6223)]