505718397

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{367261}}^1$

素因数の和:367290

約数の個数: 20

約数和(自身を含む): 799896636

約数和(自身を除く): 294178239

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 367261, 1101783, 3305349, 6243437, 9916047, 18730311, 29748141, 56190933, 168572799, 505718397]

約数ペア:

[(1, 505718397), (3, 168572799), (9, 56190933), (17, 29748141), (27, 18730311), (51, 9916047), (81, 6243437), (153, 3305349), (459, 1101783), (1377, 367261)]