156173409

素因数分解:

$3^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{12457}}^1$

素因数の和:12669

約数の個数: 24

約数和(自身を含む): 259126400

約数和(自身を除く): 102952991

約数列:

[1, 3, 7, 9, 21, 63, 199, 597, 1393, 1791, 4179, 12457, 12537, 37371, 87199, 112113, 261597, 784791, 2478943, 7436829, 17352601, 22310487, 52057803, 156173409]

約数ペア:

[(1, 156173409), (3, 52057803), (7, 22310487), (9, 17352601), (21, 7436829), (63, 2478943), (199, 784791), (597, 261597), (1393, 112113), (1791, 87199), (4179, 37371), (12457, 12537)]