27818155

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{3407}}^1$

素因数の和:3506

約数の個数: 16

約数和(自身を含む): 35334144

約数和(自身を除く): 7515989

約数列:

[1, 5, 23, 71, 115, 355, 1633, 3407, 8165, 17035, 78361, 241897, 391805, 1209485, 5563631, 27818155]

約数ペア:

[(1, 27818155), (5, 5563631), (23, 1209485), (71, 391805), (115, 241897), (355, 78361), (1633, 17035), (3407, 8165)]