13971309

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:241

約数の個数: 32

約数和(自身を含む): 21150720

約数和(自身を除く): 7179411

約数列:

[1, 3, 11, 33, 67, 71, 89, 201, 213, 267, 737, 781, 979, 2211, 2343, 2937, 4757, 5963, 6319, 14271, 17889, 18957, 52327, 65593, 69509, 156981, 196779, 208527, 423373, 1270119, 4657103, 13971309]

約数ペア:

[(1, 13971309), (3, 4657103), (11, 1270119), (33, 423373), (67, 208527), (71, 196779), (89, 156981), (201, 69509), (213, 65593), (267, 52327), (737, 18957), (781, 17889), (979, 14271), (2211, 6319), (2343, 5963), (2937, 4757)]