81705637

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{109}}^2$

素因数の和:277

約数の個数: 18

約数和(自身を含む): 92834322

約数和(自身を除く): 11128685

約数列:

[1, 13, 23, 109, 299, 529, 1417, 2507, 6877, 11881, 32591, 57661, 154453, 273263, 749593, 3552419, 6285049, 81705637]

約数ペア:

[(1, 81705637), (13, 6285049), (23, 3552419), (109, 749593), (299, 273263), (529, 154453), (1417, 57661), (2507, 32591), (6877, 11881)]