81812945

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{317}}^1\times {\mathrm{727}}^1$

素因数の和:1120

約数の個数: 16

約数和(自身を含む): 100009728

約数和(自身を除く): 18196783

約数列:

[1, 5, 71, 317, 355, 727, 1585, 3635, 22507, 51617, 112535, 230459, 258085, 1152295, 16362589, 81812945]

約数ペア:

[(1, 81812945), (5, 16362589), (71, 1152295), (317, 258085), (355, 230459), (727, 112535), (1585, 51617), (3635, 22507)]