1316385

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{199}}^1$

素因数の和:227

約数の個数: 48

約数和(自身を含む): 2736000

約数和(自身を除く): 1419615

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 105, 135, 147, 189, 199, 245, 315, 441, 597, 735, 945, 995, 1323, 1393, 1791, 2205, 2985, 4179, 5373, 6615, 6965, 8955, 9751, 12537, 20895, 26865, 29253, 37611, 48755, 62685, 87759, 146265, 188055, 263277, 438795, 1316385]

約数ペア:

[(1, 1316385), (3, 438795), (5, 263277), (7, 188055), (9, 146265), (15, 87759), (21, 62685), (27, 48755), (35, 37611), (45, 29253), (49, 26865), (63, 20895), (105, 12537), (135, 9751), (147, 8955), (189, 6965), (199, 6615), (245, 5373), (315, 4179), (441, 2985), (597, 2205), (735, 1791), (945, 1393), (995, 1323)]