28357791

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{122761}}^1$

素因数の和:122782

約数の個数: 16

約数和(自身を含む): 47140608

約数和(自身を除く): 18782817

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 122761, 368283, 859327, 1350371, 2577981, 4051113, 9452597, 28357791]

約数ペア:

[(1, 28357791), (3, 9452597), (7, 4051113), (11, 2577981), (21, 1350371), (33, 859327), (77, 368283), (231, 122761)]