72857379

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{761}}^1$

素因数の和:915

約数の個数: 32

約数和(自身を含む): 114702336

約数和(自身を除く): 41844957

約数列:

[1, 3, 7, 21, 47, 97, 141, 291, 329, 679, 761, 987, 2037, 2283, 4559, 5327, 13677, 15981, 31913, 35767, 73817, 95739, 107301, 221451, 250369, 516719, 751107, 1550157, 3469399, 10408197, 24285793, 72857379]

約数ペア:

[(1, 72857379), (3, 24285793), (7, 10408197), (21, 3469399), (47, 1550157), (97, 751107), (141, 516719), (291, 250369), (329, 221451), (679, 107301), (761, 95739), (987, 73817), (2037, 35767), (2283, 31913), (4559, 15981), (5327, 13677)]