28318983

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2851}}^1$

素因数の和:2915

約数の個数: 32

約数和(自身を含む): 48187392

約数和(自身を除く): 19868409

約数列:

[1, 3, 7, 11, 21, 33, 43, 77, 129, 231, 301, 473, 903, 1419, 2851, 3311, 8553, 9933, 19957, 31361, 59871, 94083, 122593, 219527, 367779, 658581, 858151, 1348523, 2574453, 4045569, 9439661, 28318983]

約数ペア:

[(1, 28318983), (3, 9439661), (7, 4045569), (11, 2574453), (21, 1348523), (33, 858151), (43, 658581), (77, 367779), (129, 219527), (231, 122593), (301, 94083), (473, 59871), (903, 31361), (1419, 19957), (2851, 9933), (3311, 8553)]