81752085

素因数分解:

$3^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2081}}^1$

素因数の和:2195

約数の個数: 40

約数和(自身を含む): 148130136

約数和(自身を除く): 66378051

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 97, 135, 291, 405, 485, 873, 1455, 2081, 2619, 4365, 6243, 7857, 10405, 13095, 18729, 31215, 39285, 56187, 93645, 168561, 201857, 280935, 605571, 842805, 1009285, 1816713, 3027855, 5450139, 9083565, 16350417, 27250695, 81752085]

約数ペア:

[(1, 81752085), (3, 27250695), (5, 16350417), (9, 9083565), (15, 5450139), (27, 3027855), (45, 1816713), (81, 1009285), (97, 842805), (135, 605571), (291, 280935), (405, 201857), (485, 168561), (873, 93645), (1455, 56187), (2081, 39285), (2619, 31215), (4365, 18729), (6243, 13095), (7857, 10405)]