257112981

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{560159}}^1$

素因数の和:560185

約数の個数: 16

約数和(自身を含む): 403315200

約数和(自身を除く): 146202219

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 560159, 1680477, 5041431, 9522703, 15124293, 28568109, 85704327, 257112981]

約数ペア:

[(1, 257112981), (3, 85704327), (9, 28568109), (17, 15124293), (27, 9522703), (51, 5041431), (153, 1680477), (459, 560159)]