28288683

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{9439}}^1$

素因数の和:9488

約数の個数: 20

約数和(自身を含む): 43405120

約数和(自身を除く): 15116437

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 9439, 28317, 84951, 254853, 349243, 764559, 1047729, 3143187, 9429561, 28288683]

約数ペア:

[(1, 28288683), (3, 9429561), (9, 3143187), (27, 1047729), (37, 764559), (81, 349243), (111, 254853), (333, 84951), (999, 28317), (2997, 9439)]