221056317

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{430909}}^1$

素因数の和:430937

約数の個数: 16

約数和(自身を含む): 344728000

約数和(自身を除く): 123671683

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 430909, 1292727, 3878181, 8187271, 11634543, 24561813, 73685439, 221056317]

約数ペア:

[(1, 221056317), (3, 73685439), (9, 24561813), (19, 11634543), (27, 8187271), (57, 3878181), (171, 1292727), (513, 430909)]