81288539

素因数分解:

${\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^2$

素因数の和:406

約数の個数: 12

約数和(自身を含む): 84400848

約数和(自身を除く): 3112309

約数列:

[1, 61, 71, 137, 4331, 8357, 9727, 18769, 593347, 1144909, 1332599, 81288539]

約数ペア:

[(1, 81288539), (61, 1332599), (71, 1144909), (137, 593347), (4331, 18769), (8357, 9727)]