812187

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{271}}^1$

素因数の和:320

約数の個数: 20

約数和(自身を含む): 1250656

約数和(自身を除く): 438469

約数列:

[1, 3, 9, 27, 37, 81, 111, 271, 333, 813, 999, 2439, 2997, 7317, 10027, 21951, 30081, 90243, 270729, 812187]

約数ペア:

[(1, 812187), (3, 270729), (9, 90243), (27, 30081), (37, 21951), (81, 10027), (111, 7317), (271, 2997), (333, 2439), (813, 999)]