13740417

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{21503}}^1$

素因数の和:21580

約数の個数: 12

約数和(自身を含む): 20127744

約数和(自身を除く): 6387327

約数列:

[1, 3, 9, 71, 213, 639, 21503, 64509, 193527, 1526713, 4580139, 13740417]

約数ペア:

[(1, 13740417), (3, 4580139), (9, 1526713), (71, 193527), (213, 64509), (639, 21503)]