201326391

素因数分解:

$3^4\times 7^1\times {\mathrm{355073}}^1$

素因数の和:355092

約数の個数: 20

約数和(自身を含む): 343711632

約数和(自身を除く): 142385241

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 355073, 1065219, 2485511, 3195657, 7456533, 9586971, 22369599, 28760913, 67108797, 201326391]

約数ペア:

[(1, 201326391), (3, 67108797), (7, 28760913), (9, 22369599), (21, 9586971), (27, 7456533), (63, 3195657), (81, 2485511), (189, 1065219), (567, 355073)]