17985223

素因数分解:

${\mathrm{43}}^2\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:294

約数の個数: 12

約数和(自身を含む): 18808848

約数和(自身を除く): 823625

約数列:

[1, 43, 71, 137, 1849, 3053, 5891, 9727, 131279, 253313, 418261, 17985223]

約数ペア:

[(1, 17985223), (43, 418261), (71, 253313), (137, 131279), (1849, 9727), (3053, 5891)]