27921047

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{1039}}^1$

素因数の和:1406

約数の個数: 16

約数和(自身を含む): 34944000

約数和(自身を除く): 7022953

約数列:

[1, 7, 11, 77, 349, 1039, 2443, 3839, 7273, 11429, 26873, 80003, 362611, 2538277, 3988721, 27921047]

約数ペア:

[(1, 27921047), (7, 3988721), (11, 2538277), (77, 362611), (349, 80003), (1039, 26873), (2443, 11429), (3839, 7273)]