713731221

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{306191}}^1$

素因数の和:306241

約数の個数: 24

約数和(自身を含む): 1210070784

約数和(自身を除く): 496339563

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 306191, 918573, 2143337, 2755719, 6430011, 11329067, 19290033, 33987201, 79303469, 101961603, 237910407, 713731221]

約数ペア:

[(1, 713731221), (3, 237910407), (7, 101961603), (9, 79303469), (21, 33987201), (37, 19290033), (63, 11329067), (111, 6430011), (259, 2755719), (333, 2143337), (777, 918573), (2331, 306191)]