208545867

素因数分解:

$3^3\times {\mathrm{491}}^1\times {\mathrm{15731}}^1$

素因数の和:16231

約数の個数: 16

約数和(自身を含む): 309605760

約数和(自身を除く): 101059893

約数列:

[1, 3, 9, 27, 491, 1473, 4419, 13257, 15731, 47193, 141579, 424737, 7723921, 23171763, 69515289, 208545867]

約数ペア:

[(1, 208545867), (3, 69515289), (9, 23171763), (27, 7723921), (491, 424737), (1473, 141579), (4419, 47193), (13257, 15731)]