28202691

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{12037}}^1$

素因数の和:12122

約数の個数: 16

約数和(自身を含む): 41603328

約数和(自身を除く): 13400637

約数列:

[1, 3, 11, 33, 71, 213, 781, 2343, 12037, 36111, 132407, 397221, 854627, 2563881, 9400897, 28202691]

約数ペア:

[(1, 28202691), (3, 9400897), (11, 2563881), (33, 854627), (71, 397221), (213, 132407), (781, 36111), (2343, 12037)]