1342989

素因数分解:

$3^2\times {\mathrm{37}}^2\times {\mathrm{109}}^1$

素因数の和:189

約数の個数: 18

約数和(自身を含む): 2012010

約数和(自身を除く): 669021

約数列:

[1, 3, 9, 37, 109, 111, 327, 333, 981, 1369, 4033, 4107, 12099, 12321, 36297, 149221, 447663, 1342989]

約数ペア:

[(1, 1342989), (3, 447663), (9, 149221), (37, 36297), (109, 12321), (111, 12099), (327, 4107), (333, 4033), (981, 1369)]