161738523

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{2309}}^1$

素因数の和:2539

約数の個数: 24

約数和(自身を含む): 240480240

約数和(自身を除く): 78741717

約数列:

[1, 3, 9, 43, 129, 181, 387, 543, 1629, 2309, 6927, 7783, 20781, 23349, 70047, 99287, 297861, 417929, 893583, 1253787, 3761361, 17970947, 53912841, 161738523]

約数ペア:

[(1, 161738523), (3, 53912841), (9, 17970947), (43, 3761361), (129, 1253787), (181, 893583), (387, 417929), (543, 297861), (1629, 99287), (2309, 70047), (6927, 23349), (7783, 20781)]