2660385

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1949}}^1$

素因数の和:1977

約数の個数: 32

約数和(自身を含む): 5241600

約数和(自身を除く): 2581215

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 1949, 5847, 9745, 13643, 25337, 29235, 40929, 68215, 76011, 126685, 177359, 204645, 380055, 532077, 886795, 2660385]

約数ペア:

[(1, 2660385), (3, 886795), (5, 532077), (7, 380055), (13, 204645), (15, 177359), (21, 126685), (35, 76011), (39, 68215), (65, 40929), (91, 29235), (105, 25337), (195, 13643), (273, 9745), (455, 5847), (1365, 1949)]