12843981

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{25037}}^1$

素因数の和:25065

約数の個数: 16

約数和(自身を含む): 20030400

約数和(自身を除く): 7186419

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 25037, 75111, 225333, 475703, 675999, 1427109, 4281327, 12843981]

約数ペア:

[(1, 12843981), (3, 4281327), (9, 1427109), (19, 675999), (27, 475703), (57, 225333), (171, 75111), (513, 25037)]