81100565

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{13711}}^1$

素因数の和:13749

約数の個数: 24

約数和(自身を含む): 120446208

約数和(自身を除く): 39345643

約数列:

[1, 5, 7, 13, 35, 65, 91, 169, 455, 845, 1183, 5915, 13711, 68555, 95977, 178243, 479885, 891215, 1247701, 2317159, 6238505, 11585795, 16220113, 81100565]

約数ペア:

[(1, 81100565), (5, 16220113), (7, 11585795), (13, 6238505), (35, 2317159), (65, 1247701), (91, 891215), (169, 479885), (455, 178243), (845, 95977), (1183, 68555), (5915, 13711)]