81727009

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{10091}}^1$

素因数の和:10200

約数の個数: 16

約数和(自身を含む): 101727360

約数和(自身を除く): 20000351

約数列:

[1, 7, 13, 89, 91, 623, 1157, 8099, 10091, 70637, 131183, 898099, 918281, 6286693, 11675287, 81727009]

約数ペア:

[(1, 81727009), (7, 11675287), (13, 6286693), (89, 918281), (91, 898099), (623, 131183), (1157, 70637), (8099, 10091)]