28712265

素因数分解:

$3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{8009}}^1$

素因数の和:8256

約数の個数: 16

約数和(自身を含む): 46137600

約数和(自身を除く): 17425335

約数列:

[1, 3, 5, 15, 239, 717, 1195, 3585, 8009, 24027, 40045, 120135, 1914151, 5742453, 9570755, 28712265]

約数ペア:

[(1, 28712265), (3, 9570755), (5, 5742453), (15, 1914151), (239, 120135), (717, 40045), (1195, 24027), (3585, 8009)]