66290481

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{19961}}^1$

素因数の和:20014

約数の個数: 20

約数和(自身を含む): 101446884

約数和(自身を除く): 35156403

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 19961, 59883, 179649, 538947, 818401, 1616841, 2455203, 7365609, 22096827, 66290481]

約数ペア:

[(1, 66290481), (3, 22096827), (9, 7365609), (27, 2455203), (41, 1616841), (81, 818401), (123, 538947), (369, 179649), (1107, 59883), (3321, 19961)]