25635519

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{277}}^1$

素因数の和:416

約数の個数: 48

約数和(自身を含む): 46143552

約数和(自身を除く): 20508033

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 113, 117, 273, 277, 339, 791, 819, 831, 1017, 1469, 1939, 2373, 2493, 3601, 4407, 5817, 7119, 10283, 10803, 13221, 17451, 25207, 30849, 31301, 32409, 75621, 92547, 93903, 219107, 226863, 281709, 406913, 657321, 1220739, 1971963, 2848391, 3662217, 8545173, 25635519]

約数ペア:

[(1, 25635519), (3, 8545173), (7, 3662217), (9, 2848391), (13, 1971963), (21, 1220739), (39, 657321), (63, 406913), (91, 281709), (113, 226863), (117, 219107), (273, 93903), (277, 92547), (339, 75621), (791, 32409), (819, 31301), (831, 30849), (1017, 25207), (1469, 17451), (1939, 13221), (2373, 10803), (2493, 10283), (3601, 7119), (4407, 5817)]