31209309

素因数分解:

$3^2\times {\mathrm{103}}^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:497

約数の個数: 24

約数和(自身を含む): 46043712

約数和(自身を除く): 14834403

約数列:

[1, 3, 9, 103, 131, 257, 309, 393, 771, 927, 1179, 2313, 13493, 26471, 33667, 40479, 79413, 101001, 121437, 238239, 303003, 3467701, 10403103, 31209309]

約数ペア:

[(1, 31209309), (3, 10403103), (9, 3467701), (103, 303003), (131, 238239), (257, 121437), (309, 101001), (393, 79413), (771, 40479), (927, 33667), (1179, 26471), (2313, 13493)]