138974967

素因数分解:

$3^3\times {\mathrm{1607}}^1\times {\mathrm{3203}}^1$

素因数の和:4819

約数の個数: 16

約数和(自身を含む): 206081280

約数和(自身を除く): 67106313

約数列:

[1, 3, 9, 27, 1607, 3203, 4821, 9609, 14463, 28827, 43389, 86481, 5147221, 15441663, 46324989, 138974967]

約数ペア:

[(1, 138974967), (3, 46324989), (9, 15441663), (27, 5147221), (1607, 86481), (3203, 43389), (4821, 28827), (9609, 14463)]