256113279

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{557981}}^1$

素因数の和:558007

約数の個数: 16

約数和(自身を含む): 401747040

約数和(自身を除く): 145633761

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 557981, 1673943, 5021829, 9485677, 15065487, 28457031, 85371093, 256113279]

約数ペア:

[(1, 256113279), (3, 85371093), (9, 28457031), (17, 15065487), (27, 9485677), (51, 5021829), (153, 1673943), (459, 557981)]