81212247

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{176933}}^1$

素因数の和:176959

約数の個数: 16

約数和(自身を含む): 127392480

約数和(自身を除く): 46180233

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 176933, 530799, 1592397, 3007861, 4777191, 9023583, 27070749, 81212247]

約数ペア:

[(1, 81212247), (3, 27070749), (9, 9023583), (17, 4777191), (27, 3007861), (51, 1592397), (153, 530799), (459, 176933)]