25290639

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{383}}^1$

素因数の和:452

約数の個数: 48

約数和(自身を含む): 43130880

約数和(自身を除く): 17840241

約数列:

[1, 3, 9, 11, 23, 29, 33, 69, 87, 99, 207, 253, 261, 319, 383, 667, 759, 957, 1149, 2001, 2277, 2871, 3447, 4213, 6003, 7337, 8809, 11107, 12639, 22011, 26427, 33321, 37917, 66033, 79281, 96899, 99963, 122177, 255461, 290697, 366531, 766383, 872091, 1099593, 2299149, 2810071, 8430213, 25290639]

約数ペア:

[(1, 25290639), (3, 8430213), (9, 2810071), (11, 2299149), (23, 1099593), (29, 872091), (33, 766383), (69, 366531), (87, 290697), (99, 255461), (207, 122177), (253, 99963), (261, 96899), (319, 79281), (383, 66033), (667, 37917), (759, 33321), (957, 26427), (1149, 22011), (2001, 12639), (2277, 11107), (2871, 8809), (3447, 7337), (4213, 6003)]