16403958459

素因数分解:

$3^3\times 7^1\times {\mathrm{677}}^1\times {\mathrm{128203}}^1$

素因数の和:128896

約数の個数: 32

約数和(自身を含む): 27815139840

約数和(自身を除く): 11411181381

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 677, 2031, 4739, 6093, 14217, 18279, 42651, 127953, 128203, 384609, 897421, 1153827, 2692263, 3461481, 8076789, 24230367, 86793431, 260380293, 607554017, 781140879, 1822662051, 2343422637, 5467986153, 16403958459]

約数ペア:

[(1, 16403958459), (3, 5467986153), (7, 2343422637), (9, 1822662051), (21, 781140879), (27, 607554017), (63, 260380293), (189, 86793431), (677, 24230367), (2031, 8076789), (4739, 3461481), (6093, 2692263), (14217, 1153827), (18279, 897421), (42651, 384609), (127953, 128203)]