31375113

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1913}}^1$

素因数の和:2005

約数の個数: 32

約数和(自身を含む): 52918272

約数和(自身を除く): 21543159

約数列:

[1, 3, 7, 11, 21, 33, 71, 77, 213, 231, 497, 781, 1491, 1913, 2343, 5467, 5739, 13391, 16401, 21043, 40173, 63129, 135823, 147301, 407469, 441903, 950761, 1494053, 2852283, 4482159, 10458371, 31375113]

約数ペア:

[(1, 31375113), (3, 10458371), (7, 4482159), (11, 2852283), (21, 1494053), (33, 950761), (71, 441903), (77, 407469), (213, 147301), (231, 135823), (497, 63129), (781, 40173), (1491, 21043), (1913, 16401), (2343, 13391), (5467, 5739)]