12206817

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2729}}^1$

素因数の和:2813

約数の個数: 24

約数和(自身を含む): 20442240

約数和(自身を除く): 8235423

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 2729, 4473, 8187, 19103, 24561, 57309, 171927, 193759, 581277, 1356313, 1743831, 4068939, 12206817]

約数ペア:

[(1, 12206817), (3, 4068939), (7, 1743831), (9, 1356313), (21, 581277), (63, 193759), (71, 171927), (213, 57309), (497, 24561), (639, 19103), (1491, 8187), (2729, 4473)]