2070495

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{313}}^1$

素因数の和:341

約数の個数: 48

約数和(自身を含む): 4295520

約数和(自身を除く): 2225025

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 105, 135, 147, 189, 245, 313, 315, 441, 735, 939, 945, 1323, 1565, 2191, 2205, 2817, 4695, 6573, 6615, 8451, 10955, 14085, 15337, 19719, 32865, 42255, 46011, 59157, 76685, 98595, 138033, 230055, 295785, 414099, 690165, 2070495]

約数ペア:

[(1, 2070495), (3, 690165), (5, 414099), (7, 295785), (9, 230055), (15, 138033), (21, 98595), (27, 76685), (35, 59157), (45, 46011), (49, 42255), (63, 32865), (105, 19719), (135, 15337), (147, 14085), (189, 10955), (245, 8451), (313, 6615), (315, 6573), (441, 4695), (735, 2817), (939, 2205), (945, 2191), (1323, 1565)]