254251521

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{495617}}^1$

素因数の和:495645

約数の個数: 16

約数和(自身を含む): 396494400

約数和(自身を除く): 142242879

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 495617, 1486851, 4460553, 9416723, 13381659, 28250169, 84750507, 254251521]

約数ペア:

[(1, 254251521), (3, 84750507), (9, 28250169), (19, 13381659), (27, 9416723), (57, 4460553), (171, 1486851), (513, 495617)]