54918891

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{39883}}^1$

素因数の和:39912

約数の個数: 20

約数和(自身を含む): 86867352

約数和(自身を除く): 31948461

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 39883, 119649, 358947, 678011, 1076841, 2034033, 3230523, 6102099, 18306297, 54918891]

約数ペア:

[(1, 54918891), (3, 18306297), (9, 6102099), (17, 3230523), (27, 2034033), (51, 1076841), (81, 678011), (153, 358947), (459, 119649), (1377, 39883)]