11111985

素因数分解:

$3^4\times 5^1\times {\mathrm{27437}}^1$

素因数の和:27454

約数の個数: 20

約数和(自身を含む): 19919988

約数和(自身を除く): 8808003

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 27437, 82311, 137185, 246933, 411555, 740799, 1234665, 2222397, 3703995, 11111985]

約数ペア:

[(1, 11111985), (3, 3703995), (5, 2222397), (9, 1234665), (15, 740799), (27, 411555), (45, 246933), (81, 137185), (135, 82311), (405, 27437)]