85972179

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:459

約数の個数: 32

約数和(自身を含む): 125452800

約数和(自身を除く): 39480621

約数列:

[1, 3, 17, 43, 51, 129, 197, 199, 591, 597, 731, 2193, 3349, 3383, 8471, 8557, 10047, 10149, 25413, 25671, 39203, 117609, 144007, 145469, 432021, 436407, 666451, 1685729, 1999353, 5057187, 28657393, 85972179]

約数ペア:

[(1, 85972179), (3, 28657393), (17, 5057187), (43, 1999353), (51, 1685729), (129, 666451), (197, 436407), (199, 432021), (591, 145469), (597, 144007), (731, 117609), (2193, 39203), (3349, 25671), (3383, 25413), (8471, 10149), (8557, 10047)]