128260431

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{57697}}^1$

素因数の和:57735

約数の個数: 24

約数和(自身を含む): 210020720

約数和(自身を除く): 81760289

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 57697, 173091, 519273, 750061, 1096243, 2250183, 3288729, 6750549, 9866187, 14251159, 42753477, 128260431]

約数ペア:

[(1, 128260431), (3, 42753477), (9, 14251159), (13, 9866187), (19, 6750549), (39, 3288729), (57, 2250183), (117, 1096243), (171, 750061), (247, 519273), (741, 173091), (2223, 57697)]