520782213

素因数分解:

$3^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{80779}}^1$

素因数の和:81096

約数の個数: 16

約数和(自身を含む): 796167680

約数和(自身を除く): 275385467

約数列:

[1, 3, 7, 21, 307, 921, 2149, 6447, 80779, 242337, 565453, 1696359, 24799153, 74397459, 173594071, 520782213]

約数ペア:

[(1, 520782213), (3, 173594071), (7, 74397459), (21, 24799153), (307, 1696359), (921, 565453), (2149, 242337), (6447, 80779)]