2991006

素因数分解:

$2^1\times 3^4\times {\mathrm{37}}^1\times {\mathrm{499}}^1$

素因数の和:550

約数の個数: 40

約数和(自身を含む): 6897000

約数和(自身を除く): 3905994

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 81, 111, 162, 222, 333, 499, 666, 998, 999, 1497, 1998, 2994, 2997, 4491, 5994, 8982, 13473, 18463, 26946, 36926, 40419, 55389, 80838, 110778, 166167, 332334, 498501, 997002, 1495503, 2991006]

約数ペア:

[(1, 2991006), (2, 1495503), (3, 997002), (6, 498501), (9, 332334), (18, 166167), (27, 110778), (37, 80838), (54, 55389), (74, 40419), (81, 36926), (111, 26946), (162, 18463), (222, 13473), (333, 8982), (499, 5994), (666, 4491), (998, 2997), (999, 2994), (1497, 1998)]