256475277

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{72883}}^1$

素因数の和:72929

約数の個数: 24

約数和(自身を含む): 409316544

約数和(自身を除く): 152841267

約数列:

[1, 3, 9, 17, 23, 51, 69, 153, 207, 391, 1173, 3519, 72883, 218649, 655947, 1239011, 1676309, 3717033, 5028927, 11151099, 15086781, 28497253, 85491759, 256475277]

約数ペア:

[(1, 256475277), (3, 85491759), (9, 28497253), (17, 15086781), (23, 11151099), (51, 5028927), (69, 3717033), (153, 1676309), (207, 1239011), (391, 655947), (1173, 218649), (3519, 72883)]