29980989

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{30011}}^1$

素因数の和:30057

約数の個数: 16

約数和(自身を含む): 45618240

約数和(自身を除く): 15637251

約数列:

[1, 3, 9, 27, 37, 111, 333, 999, 30011, 90033, 270099, 810297, 1110407, 3331221, 9993663, 29980989]

約数ペア:

[(1, 29980989), (3, 9993663), (9, 3331221), (27, 1110407), (37, 810297), (111, 270099), (333, 90033), (999, 30011)]