28871811

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1549}}^1$

素因数の和:1683

約数の個数: 24

約数和(自身を含む): 44330000

約数和(自身を除く): 15458189

約数列:

[1, 3, 9, 19, 57, 109, 171, 327, 981, 1549, 2071, 4647, 6213, 13941, 18639, 29431, 88293, 168841, 264879, 506523, 1519569, 3207979, 9623937, 28871811]

約数ペア:

[(1, 28871811), (3, 9623937), (9, 3207979), (19, 1519569), (57, 506523), (109, 264879), (171, 168841), (327, 88293), (981, 29431), (1549, 18639), (2071, 13941), (4647, 6213)]