6990669

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2999}}^1$

素因数の和:3049

約数の個数: 24

約数和(自身を含む): 11856000

約数和(自身を除く): 4865331

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 2999, 8997, 20993, 26991, 62979, 110963, 188937, 332889, 776741, 998667, 2330223, 6990669]

約数ペア:

[(1, 6990669), (3, 2330223), (7, 998667), (9, 776741), (21, 332889), (37, 188937), (63, 110963), (111, 62979), (259, 26991), (333, 20993), (777, 8997), (2331, 2999)]