28726467

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3361}}^1$

素因数の和:3419

約数の個数: 32

約数和(自身を含む): 49058304

約数和(自身を除く): 20331837

約数列:

[1, 3, 7, 11, 21, 33, 37, 77, 111, 231, 259, 407, 777, 1221, 2849, 3361, 8547, 10083, 23527, 36971, 70581, 110913, 124357, 258797, 373071, 776391, 870499, 1367927, 2611497, 4103781, 9575489, 28726467]

約数ペア:

[(1, 28726467), (3, 9575489), (7, 4103781), (11, 2611497), (21, 1367927), (33, 870499), (37, 776391), (77, 373071), (111, 258797), (231, 124357), (259, 110913), (407, 70581), (777, 36971), (1221, 23527), (2849, 10083), (3361, 8547)]