206816799

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{32719}}^1$

素因数の和:32779

約数の個数: 24

約数和(自身を含む): 328247040

約数和(自身を除く): 121430241

約数列:

[1, 3, 7, 21, 43, 49, 129, 147, 301, 903, 2107, 6321, 32719, 98157, 229033, 687099, 1406917, 1603231, 4220751, 4809693, 9848419, 29545257, 68938933, 206816799]

約数ペア:

[(1, 206816799), (3, 68938933), (7, 29545257), (21, 9848419), (43, 4809693), (49, 4220751), (129, 1603231), (147, 1406917), (301, 687099), (903, 229033), (2107, 98157), (6321, 32719)]