9891791

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1531}}^1$

素因数の和:1622

約数の個数: 16

約数和(自身を含む): 12354048

約数和(自身を除く): 2462257

約数列:

[1, 7, 13, 71, 91, 497, 923, 1531, 6461, 10717, 19903, 108701, 139321, 760907, 1413113, 9891791]

約数ペア:

[(1, 9891791), (7, 1413113), (13, 760907), (71, 139321), (91, 108701), (497, 19903), (923, 10717), (1531, 6461)]