28268541

素因数分解:

$3^3\times 7^2\times {\mathrm{23}}^1\times {\mathrm{929}}^1$

素因数の和:975

約数の個数: 48

約数和(自身を含む): 50889600

約数和(自身を除く): 22621059

約数列:

[1, 3, 7, 9, 21, 23, 27, 49, 63, 69, 147, 161, 189, 207, 441, 483, 621, 929, 1127, 1323, 1449, 2787, 3381, 4347, 6503, 8361, 10143, 19509, 21367, 25083, 30429, 45521, 58527, 64101, 136563, 149569, 175581, 192303, 409689, 448707, 576909, 1046983, 1229067, 1346121, 3140949, 4038363, 9422847, 28268541]

約数ペア:

[(1, 28268541), (3, 9422847), (7, 4038363), (9, 3140949), (21, 1346121), (23, 1229067), (27, 1046983), (49, 576909), (63, 448707), (69, 409689), (147, 192303), (161, 175581), (189, 149569), (207, 136563), (441, 64101), (483, 58527), (621, 45521), (929, 30429), (1127, 25083), (1323, 21367), (1449, 19509), (2787, 10143), (3381, 8361), (4347, 6503)]