28120191

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37049}}^1$

素因数の和:37086

約数の個数: 16

約数和(自身を含む): 42681600

約数和(自身を除く): 14561409

約数列:

[1, 3, 11, 23, 33, 69, 253, 759, 37049, 111147, 407539, 852127, 1222617, 2556381, 9373397, 28120191]

約数ペア:

[(1, 28120191), (3, 9373397), (11, 2556381), (23, 1222617), (33, 852127), (69, 407539), (253, 111147), (759, 37049)]