1993451877

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{346627}}^1$

素因数の和:346710

約数の個数: 20

約数和(自身を含む): 3019823136

約数和(自身を除く): 1026371259

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 346627, 1039881, 3119643, 9358929, 24610517, 28076787, 73831551, 221494653, 664483959, 1993451877]

約数ペア:

[(1, 1993451877), (3, 664483959), (9, 221494653), (27, 73831551), (71, 28076787), (81, 24610517), (213, 9358929), (639, 3119643), (1917, 1039881), (5751, 346627)]