25565139

素因数分解:

$3^4\times {\mathrm{547}}^1\times {\mathrm{577}}^1$

素因数の和:1136

約数の個数: 20

約数和(自身を含む): 38326024

約数和(自身を除く): 12760885

約数列:

[1, 3, 9, 27, 81, 547, 577, 1641, 1731, 4923, 5193, 14769, 15579, 44307, 46737, 315619, 946857, 2840571, 8521713, 25565139]

約数ペア:

[(1, 25565139), (3, 8521713), (9, 2840571), (27, 946857), (81, 315619), (547, 46737), (577, 44307), (1641, 15579), (1731, 14769), (4923, 5193)]