257845059

素因数分解:

$3^3\times {\mathrm{109}}^1\times {\mathrm{87613}}^1$

素因数の和:87731

約数の個数: 16

約数和(自身を含む): 385501600

約数和(自身を除く): 127656541

約数列:

[1, 3, 9, 27, 109, 327, 981, 2943, 87613, 262839, 788517, 2365551, 9549817, 28649451, 85948353, 257845059]

約数ペア:

[(1, 257845059), (3, 85948353), (9, 28649451), (27, 9549817), (109, 2365551), (327, 788517), (981, 262839), (2943, 87613)]