13971727

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{431}}^1$

素因数の和:870

約数の個数: 16

約数和(自身を含む): 17501184

約数和(自身を除く): 3529457

約数列:

[1, 7, 11, 77, 421, 431, 2947, 3017, 4631, 4741, 32417, 33187, 181451, 1270157, 1995961, 13971727]

約数ペア:

[(1, 13971727), (7, 1995961), (11, 1270157), (77, 181451), (421, 33187), (431, 32417), (2947, 4741), (3017, 4631)]