31971797

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:209

約数の個数: 32

約数和(自身を含む): 39481344

約数和(自身を除く): 7509547

約数列:

[1, 11, 13, 47, 67, 71, 143, 517, 611, 737, 781, 871, 923, 3149, 3337, 4757, 6721, 9581, 10153, 34639, 36707, 40937, 43381, 52327, 61841, 223579, 450307, 477191, 680251, 2459369, 2906527, 31971797]

約数ペア:

[(1, 31971797), (11, 2906527), (13, 2459369), (47, 680251), (67, 477191), (71, 450307), (143, 223579), (517, 61841), (611, 52327), (737, 43381), (781, 40937), (871, 36707), (923, 34639), (3149, 10153), (3337, 9581), (4757, 6721)]