84908421

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{42689}}^1$

素因数の和:42725

約数の個数: 24

約数和(自身を含む): 139852440

約数和(自身を除く): 54944019

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 42689, 128067, 384201, 554957, 725713, 1664871, 2177139, 4994613, 6531417, 9434269, 28302807, 84908421]

約数ペア:

[(1, 84908421), (3, 28302807), (9, 9434269), (13, 6531417), (17, 4994613), (39, 2177139), (51, 1664871), (117, 725713), (153, 554957), (221, 384201), (663, 128067), (1989, 42689)]