3957219

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2731}}^1$

素因数の和:2767

約数の個数: 24

約数和(自身を含む): 6819072

約数和(自身を除く): 2861853

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 2731, 8193, 19117, 24579, 57351, 62813, 172053, 188439, 439691, 565317, 1319073, 3957219]

約数ペア:

[(1, 3957219), (3, 1319073), (7, 565317), (9, 439691), (21, 188439), (23, 172053), (63, 62813), (69, 57351), (161, 24579), (207, 19117), (483, 8193), (1449, 2731)]