6750009

素因数分解:

$3^2\times 7^1\times {\mathrm{307}}^1\times {\mathrm{349}}^1$

素因数の和:669

約数の個数: 24

約数和(自身を含む): 11211200

約数和(自身を除く): 4461191

約数列:

[1, 3, 7, 9, 21, 63, 307, 349, 921, 1047, 2149, 2443, 2763, 3141, 6447, 7329, 19341, 21987, 107143, 321429, 750001, 964287, 2250003, 6750009]

約数ペア:

[(1, 6750009), (3, 2250003), (7, 964287), (9, 750001), (21, 321429), (63, 107143), (307, 21987), (349, 19341), (921, 7329), (1047, 6447), (2149, 3141), (2443, 2763)]