81821799

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{178261}}^1$

素因数の和:178287

約数の個数: 16

約数和(自身を含む): 128348640

約数和(自身を除く): 46526841

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 178261, 534783, 1604349, 3030437, 4813047, 9091311, 27273933, 81821799]

約数ペア:

[(1, 81821799), (3, 27273933), (9, 9091311), (17, 4813047), (27, 3030437), (51, 1604349), (153, 534783), (459, 178261)]