47280779

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{281}}^1$

素因数の和:387

約数の個数: 24

約数和(自身を含む): 59788512

約数和(自身を除く): 12507733

約数列:

[1, 7, 13, 43, 91, 281, 301, 559, 1849, 1967, 3653, 3913, 12083, 12943, 24037, 25571, 84581, 157079, 168259, 519569, 1099553, 3636983, 6754397, 47280779]

約数ペア:

[(1, 47280779), (7, 6754397), (13, 3636983), (43, 1099553), (91, 519569), (281, 168259), (301, 157079), (559, 84581), (1849, 25571), (1967, 24037), (3653, 12943), (3913, 12083)]