85421871

素因数分解:

$3^4\times {\mathrm{673}}^1\times {\mathrm{1567}}^1$

素因数の和:2252

約数の個数: 20

約数和(自身を含む): 127876672

約数和(自身を除く): 42454801

約数列:

[1, 3, 9, 27, 81, 673, 1567, 2019, 4701, 6057, 14103, 18171, 42309, 54513, 126927, 1054591, 3163773, 9491319, 28473957, 85421871]

約数ペア:

[(1, 85421871), (3, 28473957), (9, 9491319), (27, 3163773), (81, 1054591), (673, 126927), (1567, 54513), (2019, 42309), (4701, 18171), (6057, 14103)]