15641795

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{107}}^1\times {\mathrm{173}}^1$

素因数の和:311

約数の個数: 24

約数和(自身を含む): 20633616

約数和(自身を除く): 4991821

約数列:

[1, 5, 13, 65, 107, 169, 173, 535, 845, 865, 1391, 2249, 6955, 11245, 18083, 18511, 29237, 90415, 92555, 146185, 240643, 1203215, 3128359, 15641795]

約数ペア:

[(1, 15641795), (5, 3128359), (13, 1203215), (65, 240643), (107, 146185), (169, 92555), (173, 90415), (535, 29237), (845, 18511), (865, 18083), (1391, 11245), (2249, 6955)]