208201959

素因数分解:

$3^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{16607}}^1$

素因数の和:16819

約数の個数: 24

約数和(自身を含む): 345446400

約数和(自身を除く): 137244441

約数列:

[1, 3, 7, 9, 21, 63, 199, 597, 1393, 1791, 4179, 12537, 16607, 49821, 116249, 149463, 348747, 1046241, 3304793, 9914379, 23133551, 29743137, 69400653, 208201959]

約数ペア:

[(1, 208201959), (3, 69400653), (7, 29743137), (9, 23133551), (21, 9914379), (63, 3304793), (199, 1046241), (597, 348747), (1393, 149463), (1791, 116249), (4179, 49821), (12537, 16607)]