64512189

素因数分解:

$3^2\times 7^1\times {\mathrm{907}}^1\times {\mathrm{1129}}^1$

素因数の和:2049

約数の個数: 24

約数和(自身を含む): 106708160

約数和(自身を除く): 42195971

約数列:

[1, 3, 7, 9, 21, 63, 907, 1129, 2721, 3387, 6349, 7903, 8163, 10161, 19047, 23709, 57141, 71127, 1024003, 3072009, 7168021, 9216027, 21504063, 64512189]

約数ペア:

[(1, 64512189), (3, 21504063), (7, 9216027), (9, 7168021), (21, 3072009), (63, 1024003), (907, 71127), (1129, 57141), (2721, 23709), (3387, 19047), (6349, 10161), (7903, 8163)]