12872979

素因数分解:

$3^3\times 7^1\times {\mathrm{68111}}^1$

素因数の和:68127

約数の個数: 16

約数和(自身を含む): 21795840

約数和(自身を除く): 8922861

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 68111, 204333, 476777, 612999, 1430331, 1838997, 4290993, 12872979]

約数ペア:

[(1, 12872979), (3, 4290993), (7, 1838997), (9, 1430331), (21, 612999), (27, 476777), (63, 204333), (189, 68111)]