31116555

素因数分解:

$3^4\times 5^1\times {\mathrm{76831}}^1$

素因数の和:76848

約数の個数: 20

約数和(自身を含む): 55780032

約数和(自身を除く): 24663477

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 76831, 230493, 384155, 691479, 1152465, 2074437, 3457395, 6223311, 10372185, 31116555]

約数ペア:

[(1, 31116555), (3, 10372185), (5, 6223311), (9, 3457395), (15, 2074437), (27, 1152465), (45, 691479), (81, 384155), (135, 230493), (405, 76831)]