28172729

素因数分解:

${\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{233}}^1$

素因数の和:448

約数の個数: 16

約数和(自身を含む): 31135104

約数和(自身を除く): 2962375

約数列:

[1, 13, 71, 131, 233, 923, 1703, 3029, 9301, 16543, 30523, 120913, 215059, 396799, 2167133, 28172729]

約数ペア:

[(1, 28172729), (13, 2167133), (71, 396799), (131, 215059), (233, 120913), (923, 30523), (1703, 16543), (3029, 9301)]