81243153

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{23087}}^1$

素因数の和:23133

約数の個数: 24

約数和(自身を含む): 129662208

約数和(自身を除く): 48419055

約数列:

[1, 3, 9, 17, 23, 51, 69, 153, 207, 391, 1173, 3519, 23087, 69261, 207783, 392479, 531001, 1177437, 1593003, 3532311, 4779009, 9027017, 27081051, 81243153]

約数ペア:

[(1, 81243153), (3, 27081051), (9, 9027017), (17, 4779009), (23, 3532311), (51, 1593003), (69, 1177437), (153, 531001), (207, 392479), (391, 207783), (1173, 69261), (3519, 23087)]