144840025

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{47881}}^1$

素因数の和:47913

約数の個数: 18

約数和(自身を含む): 197417486

約数和(自身を除く): 52577461

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 3025, 47881, 239405, 526691, 1197025, 2633455, 5793601, 13167275, 28968005, 144840025]

約数ペア:

[(1, 144840025), (5, 28968005), (11, 13167275), (25, 5793601), (55, 2633455), (121, 1197025), (275, 526691), (605, 239405), (3025, 47881)]