256543281

素因数分解:

$3^4\times {\mathrm{3167201}}^1$

素因数の和:3167213

約数の個数: 10

約数和(自身を含む): 383231442

約数和(自身を除く): 126688161

約数列:

[1, 3, 9, 27, 81, 3167201, 9501603, 28504809, 85514427, 256543281]

約数ペア:

[(1, 256543281), (3, 85514427), (9, 28504809), (27, 9501603), (81, 3167201)]