131249601

素因数分解:

$3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{20627}}^1$

素因数の和:20741

約数の個数: 24

約数和(自身を含む): 218821824

約数和(自身を除く): 87572223

約数列:

[1, 3, 7, 9, 21, 63, 101, 303, 707, 909, 2121, 6363, 20627, 61881, 144389, 185643, 433167, 1299501, 2083327, 6249981, 14583289, 18749943, 43749867, 131249601]

約数ペア:

[(1, 131249601), (3, 43749867), (7, 18749943), (9, 14583289), (21, 6249981), (63, 2083327), (101, 1299501), (303, 433167), (707, 185643), (909, 144389), (2121, 61881), (6363, 20627)]