289328841

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{87121}}^1$

素因数の和:87174

約数の個数: 20

約数和(自身を含む): 442754004

約数和(自身を除く): 153425163

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 87121, 261363, 784089, 2352267, 3571961, 7056801, 10715883, 32147649, 96442947, 289328841]

約数ペア:

[(1, 289328841), (3, 96442947), (9, 32147649), (27, 10715883), (41, 7056801), (81, 3571961), (123, 2352267), (369, 784089), (1107, 261363), (3321, 87121)]