28109367

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{21841}}^1$

素因数の和:21871

約数の個数: 24

約数和(自身を含む): 47702928

約数和(自身を除く): 19593561

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 21841, 65523, 196569, 240251, 283933, 720753, 851799, 2162259, 2555397, 3123263, 9369789, 28109367]

約数ペア:

[(1, 28109367), (3, 9369789), (9, 3123263), (11, 2555397), (13, 2162259), (33, 851799), (39, 720753), (99, 283933), (117, 240251), (143, 196569), (429, 65523), (1287, 21841)]