13720551

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{2531}}^1$

素因数の和:2686

約数の個数: 16

約数和(自身を含む): 19850880

約数和(自身を除く): 6130329

約数列:

[1, 3, 13, 39, 139, 417, 1807, 2531, 5421, 7593, 32903, 98709, 351809, 1055427, 4573517, 13720551]

約数ペア:

[(1, 13720551), (3, 4573517), (13, 1055427), (39, 351809), (139, 98709), (417, 32903), (1807, 7593), (2531, 5421)]