51521427

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{17191}}^1$

素因数の和:17240

約数の個数: 20

約数和(自身を含む): 79048816

約数和(自身を除く): 27527389

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 17191, 51573, 154719, 464157, 636067, 1392471, 1908201, 5724603, 17173809, 51521427]

約数ペア:

[(1, 51521427), (3, 17173809), (9, 5724603), (27, 1908201), (37, 1392471), (81, 636067), (111, 464157), (333, 154719), (999, 51573), (2997, 17191)]