81490239

素因数分解:

$3^3\times {\mathrm{317}}^1\times {\mathrm{9521}}^1$

素因数の和:9847

約数の個数: 16

約数和(自身を含む): 121119840

約数和(自身を除く): 39629601

約数列:

[1, 3, 9, 27, 317, 951, 2853, 8559, 9521, 28563, 85689, 257067, 3018157, 9054471, 27163413, 81490239]

約数ペア:

[(1, 81490239), (3, 27163413), (9, 9054471), (27, 3018157), (317, 257067), (951, 85689), (2853, 28563), (8559, 9521)]