28558197

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{311}}^1$

素因数の和:518

約数の個数: 32

約数和(自身を含む): 44928000

約数和(自身を除く): 16369803

約数列:

[1, 3, 9, 19, 27, 57, 171, 179, 311, 513, 537, 933, 1611, 2799, 3401, 4833, 5909, 8397, 10203, 17727, 30609, 53181, 55669, 91827, 159543, 167007, 501021, 1057711, 1503063, 3173133, 9519399, 28558197]

約数ペア:

[(1, 28558197), (3, 9519399), (9, 3173133), (19, 1503063), (27, 1057711), (57, 501021), (171, 167007), (179, 159543), (311, 91827), (513, 55669), (537, 53181), (933, 30609), (1611, 17727), (2799, 10203), (3401, 8397), (4833, 5909)]