25861017

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2203}}^1$

素因数の和:2269

約数の個数: 32

約数和(自身を含む): 43445248

約数和(自身を除く): 17584231

約数列:

[1, 3, 7, 13, 21, 39, 43, 91, 129, 273, 301, 559, 903, 1677, 2203, 3913, 6609, 11739, 15421, 28639, 46263, 85917, 94729, 200473, 284187, 601419, 663103, 1231477, 1989309, 3694431, 8620339, 25861017]

約数ペア:

[(1, 25861017), (3, 8620339), (7, 3694431), (13, 1989309), (21, 1231477), (39, 663103), (43, 601419), (91, 284187), (129, 200473), (273, 94729), (301, 85917), (559, 46263), (903, 28639), (1677, 15421), (2203, 11739), (3913, 6609)]