42721911

素因数分解:

$3^4\times {\mathrm{127}}^1\times {\mathrm{4153}}^1$

素因数の和:4292

約数の個数: 20

約数和(自身を含む): 64337152

約数和(自身を除く): 21615241

約数列:

[1, 3, 9, 27, 81, 127, 381, 1143, 3429, 4153, 10287, 12459, 37377, 112131, 336393, 527431, 1582293, 4746879, 14240637, 42721911]

約数ペア:

[(1, 42721911), (3, 14240637), (9, 4746879), (27, 1582293), (81, 527431), (127, 336393), (381, 112131), (1143, 37377), (3429, 12459), (4153, 10287)]