26855865

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{13879}}^1$

素因数の和:13933

約数の個数: 24

約数和(自身を含む): 47636160

約数和(自身を除く): 20780295

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 13879, 41637, 69395, 124911, 208185, 596797, 624555, 1790391, 2983985, 5371173, 8951955, 26855865]

約数ペア:

[(1, 26855865), (3, 8951955), (5, 5371173), (9, 2983985), (15, 1790391), (43, 624555), (45, 596797), (129, 208185), (215, 124911), (387, 69395), (645, 41637), (1935, 13879)]