355193019

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{257947}}^1$

素因数の和:257976

約数の個数: 20

約数和(自身を含む): 561810744

約数和(自身を除く): 206617725

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 257947, 773841, 2321523, 4385099, 6964569, 13155297, 20893707, 39465891, 118397673, 355193019]

約数ペア:

[(1, 355193019), (3, 118397673), (9, 39465891), (17, 20893707), (27, 13155297), (51, 6964569), (81, 4385099), (153, 2321523), (459, 773841), (1377, 257947)]