13971489

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{12553}}^1$

素因数の和:12616

約数の個数: 16

約数和(自身を含む): 21693312

約数和(自身を除く): 7721823

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 12553, 37659, 87871, 263613, 665309, 1995927, 4657163, 13971489]

約数ペア:

[(1, 13971489), (3, 4657163), (7, 1995927), (21, 665309), (53, 263613), (159, 87871), (371, 37659), (1113, 12553)]