28114737

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2273}}^1$

素因数の和:2333

約数の個数: 32

約数和(自身を含む): 46571520

約数和(自身を除く): 18456783

約数列:

[1, 3, 7, 19, 21, 31, 57, 93, 133, 217, 399, 589, 651, 1767, 2273, 4123, 6819, 12369, 15911, 43187, 47733, 70463, 129561, 211389, 302309, 493241, 906927, 1338797, 1479723, 4016391, 9371579, 28114737]

約数ペア:

[(1, 28114737), (3, 9371579), (7, 4016391), (19, 1479723), (21, 1338797), (31, 906927), (57, 493241), (93, 302309), (133, 211389), (217, 129561), (399, 70463), (589, 47733), (651, 43187), (1767, 15911), (2273, 12369), (4123, 6819)]