12657771

素因数分解:

$3^2\times 7^1\times {\mathrm{331}}^1\times {\mathrm{607}}^1$

素因数の和:951

約数の個数: 24

約数和(自身を含む): 20993024

約数和(自身を除く): 8335253

約数列:

[1, 3, 7, 9, 21, 63, 331, 607, 993, 1821, 2317, 2979, 4249, 5463, 6951, 12747, 20853, 38241, 200917, 602751, 1406419, 1808253, 4219257, 12657771]

約数ペア:

[(1, 12657771), (3, 4219257), (7, 1808253), (9, 1406419), (21, 602751), (63, 200917), (331, 38241), (607, 20853), (993, 12747), (1821, 6951), (2317, 5463), (2979, 4249)]