27861005

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{457}}^1$

素因数の和:688

約数の個数: 16

約数和(自身を含む): 34130160

約数和(自身を除く): 6269155

約数列:

[1, 5, 89, 137, 445, 457, 685, 2285, 12193, 40673, 60965, 62609, 203365, 313045, 5572201, 27861005]

約数ペア:

[(1, 27861005), (5, 5572201), (89, 313045), (137, 203365), (445, 62609), (457, 60965), (685, 40673), (2285, 12193)]