28134771

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{4451}}^1$

素因数の和:4511

約数の個数: 24

約数和(自身を含む): 44662464

約数和(自身を除く): 16527693

約数列:

[1, 3, 7, 21, 43, 49, 129, 147, 301, 903, 2107, 4451, 6321, 13353, 31157, 93471, 191393, 218099, 574179, 654297, 1339751, 4019253, 9378257, 28134771]

約数ペア:

[(1, 28134771), (3, 9378257), (7, 4019253), (21, 1339751), (43, 654297), (49, 574179), (129, 218099), (147, 191393), (301, 93471), (903, 31157), (2107, 13353), (4451, 6321)]