520990107

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{571}}^1\times {\mathrm{643}}^1$

素因数の和:1271

約数の個数: 32

約数和(自身を含む): 777993216

約数和(自身を除く): 257003109

約数列:

[1, 3, 11, 33, 43, 129, 473, 571, 643, 1419, 1713, 1929, 6281, 7073, 18843, 21219, 24553, 27649, 73659, 82947, 270083, 304139, 367153, 810249, 912417, 1101459, 4038683, 12116049, 15787579, 47362737, 173663369, 520990107]

約数ペア:

[(1, 520990107), (3, 173663369), (11, 47362737), (33, 15787579), (43, 12116049), (129, 4038683), (473, 1101459), (571, 912417), (643, 810249), (1419, 367153), (1713, 304139), (1929, 270083), (6281, 82947), (7073, 73659), (18843, 27649), (21219, 24553)]