27671231

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{571}}^1$

素因数の和:651

約数の個数: 24

約数和(自身を含む): 34429824

約数和(自身を除く): 6758593

約数列:

[1, 7, 23, 43, 49, 161, 301, 571, 989, 1127, 2107, 3997, 6923, 13133, 24553, 27979, 48461, 91931, 171871, 564719, 643517, 1203097, 3953033, 27671231]

約数ペア:

[(1, 27671231), (7, 3953033), (23, 1203097), (43, 643517), (49, 564719), (161, 171871), (301, 91931), (571, 48461), (989, 27979), (1127, 24553), (2107, 13133), (3997, 6923)]