28572399

素因数分解:

$3^3\times {\mathrm{37}}^2\times {\mathrm{773}}^1$

素因数の和:856

約数の個数: 24

約数和(自身を含む): 43560720

約数和(自身を除く): 14988321

約数列:

[1, 3, 9, 27, 37, 111, 333, 773, 999, 1369, 2319, 4107, 6957, 12321, 20871, 28601, 36963, 85803, 257409, 772227, 1058237, 3174711, 9524133, 28572399]

約数ペア:

[(1, 28572399), (3, 9524133), (9, 3174711), (27, 1058237), (37, 772227), (111, 257409), (333, 85803), (773, 36963), (999, 28601), (1369, 20871), (2319, 12321), (4107, 6957)]