208095279

素因数分解:

$3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{90911}}^1$

素因数の和:91030

約数の個数: 16

約数和(自身を含む): 320010240

約数和(自身を除く): 111914961

約数列:

[1, 3, 7, 21, 109, 327, 763, 2289, 90911, 272733, 636377, 1909131, 9909299, 29727897, 69365093, 208095279]

約数ペア:

[(1, 208095279), (3, 69365093), (7, 29727897), (21, 9909299), (109, 1909131), (327, 636377), (763, 272733), (2289, 90911)]