220151901

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{21991}}^1$

素因数の和:22112

約数の個数: 16

約数和(自身を含む): 304017408

約数和(自身を除く): 83865507

約数列:

[1, 3, 47, 71, 141, 213, 3337, 10011, 21991, 65973, 1033577, 1561361, 3100731, 4684083, 73383967, 220151901]

約数ペア:

[(1, 220151901), (3, 73383967), (47, 4684083), (71, 3100731), (141, 1561361), (213, 1033577), (3337, 65973), (10011, 21991)]