7885720959

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{17749}}^1$

素因数の和:17959

約数の個数: 32

約数和(自身を含む): 11287296000

約数和(自身を除く): 3401575041

約数列:

[1, 3, 23, 47, 69, 137, 141, 411, 1081, 3151, 3243, 6439, 9453, 17749, 19317, 53247, 148097, 408227, 444291, 834203, 1224681, 2431613, 2502609, 7294839, 19186669, 55927099, 57560007, 114285811, 167781297, 342857433, 2628573653, 7885720959]

約数ペア:

[(1, 7885720959), (3, 2628573653), (23, 342857433), (47, 167781297), (69, 114285811), (137, 57560007), (141, 55927099), (411, 19186669), (1081, 7294839), (3151, 2502609), (3243, 2431613), (6439, 1224681), (9453, 834203), (17749, 444291), (19317, 408227), (53247, 148097)]