1979055

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 3931200

約数和(自身を除く): 1952145

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 45, 51, 65, 85, 117, 153, 195, 199, 221, 255, 585, 597, 663, 765, 995, 1105, 1791, 1989, 2587, 2985, 3315, 3383, 7761, 8955, 9945, 10149, 12935, 16915, 23283, 30447, 38805, 43979, 50745, 116415, 131937, 152235, 219895, 395811, 659685, 1979055]

約数ペア:

[(1, 1979055), (3, 659685), (5, 395811), (9, 219895), (13, 152235), (15, 131937), (17, 116415), (39, 50745), (45, 43979), (51, 38805), (65, 30447), (85, 23283), (117, 16915), (153, 12935), (195, 10149), (199, 9945), (221, 8955), (255, 7761), (585, 3383), (597, 3315), (663, 2985), (765, 2587), (995, 1989), (1105, 1791)]