51720543

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{28309}}^1$

素因数の和:28351

約数の個数: 24

約数和(自身を含む): 88327200

約数和(自身を除く): 36606657

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 28309, 84927, 198163, 254781, 594489, 820961, 1783467, 2462883, 5746727, 7388649, 17240181, 51720543]

約数ペア:

[(1, 51720543), (3, 17240181), (7, 7388649), (9, 5746727), (21, 2462883), (29, 1783467), (63, 820961), (87, 594489), (203, 254781), (261, 198163), (609, 84927), (1827, 28309)]