18600381

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{433}}^1$

素因数の和:522

約数の個数: 32

約数和(自身を含む): 29025920

約数和(自身を除く): 10425539

約数列:

[1, 3, 9, 27, 37, 43, 111, 129, 333, 387, 433, 999, 1161, 1299, 1591, 3897, 4773, 11691, 14319, 16021, 18619, 42957, 48063, 55857, 144189, 167571, 432567, 502713, 688903, 2066709, 6200127, 18600381]

約数ペア:

[(1, 18600381), (3, 6200127), (9, 2066709), (27, 688903), (37, 502713), (43, 432567), (111, 167571), (129, 144189), (333, 55857), (387, 48063), (433, 42957), (999, 18619), (1161, 16021), (1299, 14319), (1591, 11691), (3897, 4773)]