25050519

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1$

素因数の和:181

約数の個数: 64

約数和(自身を含む): 43545600

約数和(自身を除く): 18495081

約数列:

[1, 3, 9, 13, 23, 27, 29, 39, 69, 87, 107, 117, 207, 261, 299, 321, 351, 377, 621, 667, 783, 897, 963, 1131, 1391, 2001, 2461, 2691, 2889, 3103, 3393, 4173, 6003, 7383, 8073, 8671, 9309, 10179, 12519, 18009, 22149, 26013, 27927, 31993, 37557, 40339, 66447, 71369, 78039, 83781, 95979, 121017, 214107, 234117, 287937, 363051, 642321, 863811, 927797, 1089153, 1926963, 2783391, 8350173, 25050519]

約数ペア:

[(1, 25050519), (3, 8350173), (9, 2783391), (13, 1926963), (23, 1089153), (27, 927797), (29, 863811), (39, 642321), (69, 363051), (87, 287937), (107, 234117), (117, 214107), (207, 121017), (261, 95979), (299, 83781), (321, 78039), (351, 71369), (377, 66447), (621, 40339), (667, 37557), (783, 31993), (897, 27927), (963, 26013), (1131, 22149), (1391, 18009), (2001, 12519), (2461, 10179), (2691, 9309), (2889, 8671), (3103, 8073), (3393, 7383), (4173, 6003)]