256966191

素因数分解:

$3^2\times {\mathrm{421}}^1\times {\mathrm{67819}}^1$

素因数の和:68246

約数の個数: 12

約数和(自身を含む): 372060520

約数和(自身を除く): 115094329

約数列:

[1, 3, 9, 421, 1263, 3789, 67819, 203457, 610371, 28551799, 85655397, 256966191]

約数ペア:

[(1, 256966191), (3, 85655397), (9, 28551799), (421, 610371), (1263, 203457), (3789, 67819)]