6554639

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1$

素因数の和:279

約数の個数: 32

約数和(自身を含む): 9031680

約数和(自身を除く): 2477041

約数列:

[1, 7, 13, 17, 19, 91, 119, 133, 221, 223, 247, 323, 1547, 1561, 1729, 2261, 2899, 3791, 4199, 4237, 20293, 26537, 29393, 29659, 49283, 55081, 72029, 344981, 385567, 504203, 936377, 6554639]

約数ペア:

[(1, 6554639), (7, 936377), (13, 504203), (17, 385567), (19, 344981), (91, 72029), (119, 55081), (133, 49283), (221, 29659), (223, 29393), (247, 26537), (323, 20293), (1547, 4237), (1561, 4199), (1729, 3791), (2261, 2899)]