31139493

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{5861}}^1$

素因数の和:5905

約数の個数: 32

約数和(自身を含む): 54024192

約数和(自身を除く): 22884699

約数列:

[1, 3, 7, 11, 21, 23, 33, 69, 77, 161, 231, 253, 483, 759, 1771, 5313, 5861, 17583, 41027, 64471, 123081, 134803, 193413, 404409, 451297, 943621, 1353891, 1482833, 2830863, 4448499, 10379831, 31139493]

約数ペア:

[(1, 31139493), (3, 10379831), (7, 4448499), (11, 2830863), (21, 1482833), (23, 1353891), (33, 943621), (69, 451297), (77, 404409), (161, 193413), (231, 134803), (253, 123081), (483, 64471), (759, 41027), (1771, 17583), (5313, 5861)]