8517231

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{1481}}^1$

素因数の和:1564

約数の個数: 20

約数和(自身を含む): 12911184

約数和(自身を除く): 4393953

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1481, 1917, 4443, 5751, 13329, 39987, 105151, 119961, 315453, 946359, 2839077, 8517231]

約数ペア:

[(1, 8517231), (3, 2839077), (9, 946359), (27, 315453), (71, 119961), (81, 105151), (213, 39987), (639, 13329), (1481, 5751), (1917, 4443)]