81295569

素因数分解:

$3^4\times {\mathrm{59}}^1\times {\mathrm{17011}}^1$

素因数の和:17082

約数の個数: 20

約数和(自身を含む): 123507120

約数和(自身を除く): 42211551

約数列:

[1, 3, 9, 27, 59, 81, 177, 531, 1593, 4779, 17011, 51033, 153099, 459297, 1003649, 1377891, 3010947, 9032841, 27098523, 81295569]

約数ペア:

[(1, 81295569), (3, 27098523), (9, 9032841), (27, 3010947), (59, 1377891), (81, 1003649), (177, 459297), (531, 153099), (1593, 51033), (4779, 17011)]