168204519

素因数分解:

$3^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{6899}}^1$

素因数の和:6961

約数の個数: 40

約数和(自身を含む): 293884800

約数和(自身を除く): 125680281

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 81, 129, 189, 301, 387, 567, 903, 1161, 2709, 3483, 6899, 8127, 20697, 24381, 48293, 62091, 144879, 186273, 296657, 434637, 558819, 889971, 1303911, 2076599, 2669913, 3911733, 6229797, 8009739, 18689391, 24029217, 56068173, 168204519]

約数ペア:

[(1, 168204519), (3, 56068173), (7, 24029217), (9, 18689391), (21, 8009739), (27, 6229797), (43, 3911733), (63, 2669913), (81, 2076599), (129, 1303911), (189, 889971), (301, 558819), (387, 434637), (567, 296657), (903, 186273), (1161, 144879), (2709, 62091), (3483, 48293), (6899, 24381), (8127, 20697)]