12187989

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{13679}}^1$

素因数の和:13702

約数の個数: 20

約数和(自身を含む): 19863360

約数和(自身を除く): 7675371

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 13679, 41037, 123111, 150469, 369333, 451407, 1107999, 1354221, 4062663, 12187989]

約数ペア:

[(1, 12187989), (3, 4062663), (9, 1354221), (11, 1107999), (27, 451407), (33, 369333), (81, 150469), (99, 123111), (297, 41037), (891, 13679)]