208809780981

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{39750577}}^1$

素因数の和:39750700

約数の個数: 16

約数和(自身を含む): 297652328064

約数和(自身を除く): 88842547083

約数列:

[1, 3, 17, 51, 103, 309, 1751, 5253, 39750577, 119251731, 675759809, 2027279427, 4094309431, 12282928293, 69603260327, 208809780981]

約数ペア:

[(1, 208809780981), (3, 69603260327), (17, 12282928293), (51, 4094309431), (103, 2027279427), (309, 675759809), (1751, 119251731), (5253, 39750577)]