18413073

素因数分解:

$3^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{971}}^1$

素因数の和:1034

約数の個数: 36

約数和(自身を含む): 31691088

約数和(自身を除く): 13278015

約数列:

[1, 3, 7, 9, 21, 43, 49, 63, 129, 147, 301, 387, 441, 903, 971, 2107, 2709, 2913, 6321, 6797, 8739, 18963, 20391, 41753, 47579, 61173, 125259, 142737, 292271, 375777, 428211, 876813, 2045897, 2630439, 6137691, 18413073]

約数ペア:

[(1, 18413073), (3, 6137691), (7, 2630439), (9, 2045897), (21, 876813), (43, 428211), (49, 375777), (63, 292271), (129, 142737), (147, 125259), (301, 61173), (387, 47579), (441, 41753), (903, 20391), (971, 18963), (2107, 8739), (2709, 6797), (2913, 6321)]