31270317

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{491}}^1$

素因数の和:601

約数の個数: 32

約数和(自身を含む): 47609856

約数和(自身を除く): 16339539

約数列:

[1, 3, 13, 23, 39, 69, 71, 213, 299, 491, 897, 923, 1473, 1633, 2769, 4899, 6383, 11293, 19149, 21229, 33879, 34861, 63687, 104583, 146809, 440427, 453193, 801803, 1359579, 2405409, 10423439, 31270317]

約数ペア:

[(1, 31270317), (3, 10423439), (13, 2405409), (23, 1359579), (39, 801803), (69, 453193), (71, 440427), (213, 146809), (299, 104583), (491, 63687), (897, 34861), (923, 33879), (1473, 21229), (1633, 19149), (2769, 11293), (4899, 6383)]