17620141

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{293}}^1$

素因数の和:393

約数の個数: 24

約数和(自身を含む): 22522752

約数和(自身を除く): 4902611

約数列:

[1, 7, 11, 71, 77, 121, 293, 497, 781, 847, 2051, 3223, 5467, 8591, 20803, 22561, 35453, 60137, 145621, 228833, 248171, 1601831, 2517163, 17620141]

約数ペア:

[(1, 17620141), (7, 2517163), (11, 1601831), (71, 248171), (77, 228833), (121, 145621), (293, 60137), (497, 35453), (781, 22561), (847, 20803), (2051, 8591), (3223, 5467)]