12657687

素因数分解:

$3^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{1373}}^1$

素因数の和:1822

約数の個数: 16

約数和(自身を含む): 19345920

約数和(自身を除く): 6688233

約数列:

[1, 3, 7, 21, 439, 1317, 1373, 3073, 4119, 9219, 9611, 28833, 602747, 1808241, 4219229, 12657687]

約数ペア:

[(1, 12657687), (3, 4219229), (7, 1808241), (21, 602747), (439, 28833), (1317, 9611), (1373, 9219), (3073, 4119)]