31128581

素因数分解:

${\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{409}}^1$

素因数の和:485

約数の個数: 24

約数和(自身を含む): 37298520

約数和(自身を除く): 6169939

約数列:

[1, 11, 17, 37, 121, 187, 407, 409, 629, 2057, 4477, 4499, 6919, 6953, 15133, 49489, 76109, 76483, 166463, 257261, 841313, 1831093, 2829871, 31128581]

約数ペア:

[(1, 31128581), (11, 2829871), (17, 1831093), (37, 841313), (121, 257261), (187, 166463), (407, 76483), (409, 76109), (629, 49489), (2057, 15133), (4477, 6953), (4499, 6919)]