16995993

素因数分解:

$3^1\times 7^3\times {\mathrm{83}}^1\times {\mathrm{199}}^1$

素因数の和:306

約数の個数: 32

約数和(自身を含む): 26880000

約数和(自身を除く): 9884007

約数列:

[1, 3, 7, 21, 49, 83, 147, 199, 249, 343, 581, 597, 1029, 1393, 1743, 4067, 4179, 9751, 12201, 16517, 28469, 29253, 49551, 68257, 85407, 115619, 204771, 346857, 809333, 2427999, 5665331, 16995993]

約数ペア:

[(1, 16995993), (3, 5665331), (7, 2427999), (21, 809333), (49, 346857), (83, 204771), (147, 115619), (199, 85407), (249, 68257), (343, 49551), (581, 29253), (597, 28469), (1029, 16517), (1393, 12201), (1743, 9751), (4067, 4179)]