81755435

素因数分解:

$5^1\times {\mathrm{41}}^2\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:295

約数の個数: 24

約数和(自身を含む): 102718368

約数和(自身を除く): 20962933

約数列:

[1, 5, 41, 71, 137, 205, 355, 685, 1681, 2911, 5617, 8405, 9727, 14555, 28085, 48635, 119351, 230297, 398807, 596755, 1151485, 1994035, 16351087, 81755435]

約数ペア:

[(1, 81755435), (5, 16351087), (41, 1994035), (71, 1151485), (137, 596755), (205, 398807), (355, 230297), (685, 119351), (1681, 48635), (2911, 28085), (5617, 14555), (8405, 9727)]