13781457

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{239}}^1$

素因数の和:437

約数の個数: 24

約数和(自身を含む): 20592000

約数和(自身を除く): 6810543

約数列:

[1, 3, 9, 43, 129, 149, 239, 387, 447, 717, 1341, 2151, 6407, 10277, 19221, 30831, 35611, 57663, 92493, 106833, 320499, 1531273, 4593819, 13781457]

約数ペア:

[(1, 13781457), (3, 4593819), (9, 1531273), (43, 320499), (129, 106833), (149, 92493), (239, 57663), (387, 35611), (447, 30831), (717, 19221), (1341, 10277), (2151, 6407)]