26861139

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{19507}}^1$

素因数の和:19536

約数の個数: 20

約数和(自身を含む): 42488424

約数和(自身を除く): 15627285

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 19507, 58521, 175563, 331619, 526689, 994857, 1580067, 2984571, 8953713, 26861139]

約数ペア:

[(1, 26861139), (3, 8953713), (9, 2984571), (17, 1580067), (27, 994857), (51, 526689), (81, 331619), (153, 175563), (459, 58521), (1377, 19507)]