201105775

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{47599}}^1$

素因数の和:47635

約数の個数: 18

約数和(自身を含む): 270034800

約数和(自身を除く): 68929025

約数列:

[1, 5, 13, 25, 65, 169, 325, 845, 4225, 47599, 237995, 618787, 1189975, 3093935, 8044231, 15469675, 40221155, 201105775]

約数ペア:

[(1, 201105775), (5, 40221155), (13, 15469675), (25, 8044231), (65, 3093935), (169, 1189975), (325, 618787), (845, 237995), (4225, 47599)]