13578537

素因数分解:

$3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{1301}}^1$

素因数の和:1389

約数の個数: 24

約数和(自身を含む): 21373632

約数和(自身を除く): 7795095

約数列:

[1, 3, 7, 21, 49, 71, 147, 213, 497, 1301, 1491, 3479, 3903, 9107, 10437, 27321, 63749, 92371, 191247, 277113, 646597, 1939791, 4526179, 13578537]

約数ペア:

[(1, 13578537), (3, 4526179), (7, 1939791), (21, 646597), (49, 277113), (71, 191247), (147, 92371), (213, 63749), (497, 27321), (1301, 10437), (1491, 9107), (3479, 3903)]