11988729

素因数分解:

$3^4\times {\mathrm{283}}^1\times {\mathrm{523}}^1$

素因数の和:818

約数の個数: 20

約数和(自身を含む): 18006736

約数和(自身を除く): 6018007

約数列:

[1, 3, 9, 27, 81, 283, 523, 849, 1569, 2547, 4707, 7641, 14121, 22923, 42363, 148009, 444027, 1332081, 3996243, 11988729]

約数ペア:

[(1, 11988729), (3, 3996243), (9, 1332081), (27, 444027), (81, 148009), (283, 42363), (523, 22923), (849, 14121), (1569, 7641), (2547, 4707)]