216087741

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{66509}}^1$

素因数の和:66553

約数の個数: 18

約数和(自身を含む): 329424030

約数和(自身を除く): 113336289

約数列:

[1, 3, 9, 19, 57, 171, 361, 1083, 3249, 66509, 199527, 598581, 1263671, 3791013, 11373039, 24009749, 72029247, 216087741]

約数ペア:

[(1, 216087741), (3, 72029247), (9, 24009749), (19, 11373039), (57, 3791013), (171, 1263671), (361, 598581), (1083, 199527), (3249, 66509)]