287788767

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{317}}^1\times {\mathrm{2543}}^1$

素因数の和:2887

約数の個数: 32

約数和(自身を含む): 465979392

約数和(自身を除く): 178190625

約数列:

[1, 3, 7, 17, 21, 51, 119, 317, 357, 951, 2219, 2543, 5389, 6657, 7629, 16167, 17801, 37723, 43231, 53403, 113169, 129693, 302617, 806131, 907851, 2418393, 5642917, 13704227, 16928751, 41112681, 95929589, 287788767]

約数ペア:

[(1, 287788767), (3, 95929589), (7, 41112681), (17, 16928751), (21, 13704227), (51, 5642917), (119, 2418393), (317, 907851), (357, 806131), (951, 302617), (2219, 129693), (2543, 113169), (5389, 53403), (6657, 43231), (7629, 37723), (16167, 17801)]