81288509

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{1637}}^1$

素因数の和:1804

約数の個数: 16

約数和(自身を含む): 90574848

約数和(自身を除く): 9286339

約数列:

[1, 17, 23, 127, 391, 1637, 2159, 2921, 27829, 37651, 49657, 207899, 640067, 3534283, 4781677, 81288509]

約数ペア:

[(1, 81288509), (17, 4781677), (23, 3534283), (127, 640067), (391, 207899), (1637, 49657), (2159, 37651), (2921, 27829)]