31864161

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{71}}^2$

素因数の和:202

約数の個数: 36

約数和(自身を含む): 51293616

約数和(自身を除く): 19429455

約数列:

[1, 3, 7, 21, 43, 49, 71, 129, 147, 213, 301, 497, 903, 1491, 2107, 3053, 3479, 5041, 6321, 9159, 10437, 15123, 21371, 35287, 64113, 105861, 149597, 216763, 247009, 448791, 650289, 741027, 1517341, 4552023, 10621387, 31864161]

約数ペア:

[(1, 31864161), (3, 10621387), (7, 4552023), (21, 1517341), (43, 741027), (49, 650289), (71, 448791), (129, 247009), (147, 216763), (213, 149597), (301, 105861), (497, 64113), (903, 35287), (1491, 21371), (2107, 15123), (3053, 10437), (3479, 9159), (5041, 6321)]