16881777

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{18947}}^1$

素因数の和:18970

約数の個数: 20

約数和(自身を含む): 27512496

約数和(自身を除く): 10630719

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 18947, 56841, 170523, 208417, 511569, 625251, 1534707, 1875753, 5627259, 16881777]

約数ペア:

[(1, 16881777), (3, 5627259), (9, 1875753), (11, 1534707), (27, 625251), (33, 511569), (81, 208417), (99, 170523), (297, 56841), (891, 18947)]