214508721

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{39439}}^1$

素因数の和:39493

約数の個数: 24

約数和(自身を含む): 341708160

約数和(自身を除く): 127199439

約数列:

[1, 3, 7, 21, 37, 49, 111, 147, 259, 777, 1813, 5439, 39439, 118317, 276073, 828219, 1459243, 1932511, 4377729, 5797533, 10214701, 30644103, 71502907, 214508721]

約数ペア:

[(1, 214508721), (3, 71502907), (7, 30644103), (21, 10214701), (37, 5797533), (49, 4377729), (111, 1932511), (147, 1459243), (259, 828219), (777, 276073), (1813, 118317), (5439, 39439)]