6688647

素因数分解:

$3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{523}}^1$

素因数の和:572

約数の個数: 36

約数和(自身を含む): 11648520

約数和(自身を除く): 4959873

約数列:

[1, 3, 7, 9, 21, 29, 49, 63, 87, 147, 203, 261, 441, 523, 609, 1421, 1569, 1827, 3661, 4263, 4707, 10983, 12789, 15167, 25627, 32949, 45501, 76881, 106169, 136503, 230643, 318507, 743183, 955521, 2229549, 6688647]

約数ペア:

[(1, 6688647), (3, 2229549), (7, 955521), (9, 743183), (21, 318507), (29, 230643), (49, 136503), (63, 106169), (87, 76881), (147, 45501), (203, 32949), (261, 25627), (441, 15167), (523, 12789), (609, 10983), (1421, 4707), (1569, 4263), (1827, 3661)]