12920919

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{2593}}^1$

素因数の和:2758

約数の個数: 16

約数和(自身を含む): 18925824

約数和(自身を除く): 6004905

約数列:

[1, 3, 11, 33, 151, 453, 1661, 2593, 4983, 7779, 28523, 85569, 391543, 1174629, 4306973, 12920919]

約数ペア:

[(1, 12920919), (3, 4306973), (11, 1174629), (33, 391543), (151, 85569), (453, 28523), (1661, 7779), (2593, 4983)]