997002

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{499}}^1$

素因数の和:547

約数の個数: 32

約数和(自身を含む): 2280000

約数和(自身を除く): 1282998

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 111, 222, 333, 499, 666, 998, 999, 1497, 1998, 2994, 4491, 8982, 13473, 18463, 26946, 36926, 55389, 110778, 166167, 332334, 498501, 997002]

約数ペア:

[(1, 997002), (2, 498501), (3, 332334), (6, 166167), (9, 110778), (18, 55389), (27, 36926), (37, 26946), (54, 18463), (74, 13473), (111, 8982), (222, 4491), (333, 2994), (499, 1998), (666, 1497), (998, 999)]