81747063

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{53117}}^1$

素因数の和:53148

約数の個数: 20

約数和(自身を含む): 128545560

約数和(自身を除く): 46798497

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 53117, 159351, 478053, 1009223, 1434159, 3027669, 4302477, 9083007, 27249021, 81747063]

約数ペア:

[(1, 81747063), (3, 27249021), (9, 9083007), (19, 4302477), (27, 3027669), (57, 1434159), (81, 1009223), (171, 478053), (513, 159351), (1539, 53117)]