15556779

素因数分解:

$3^4\times 7^1\times {\mathrm{27437}}^1$

素因数の和:27456

約数の個数: 20

約数和(自身を含む): 26559984

約数和(自身を除く): 11003205

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 27437, 82311, 192059, 246933, 576177, 740799, 1728531, 2222397, 5185593, 15556779]

約数ペア:

[(1, 15556779), (3, 5185593), (7, 2222397), (9, 1728531), (21, 740799), (27, 576177), (63, 246933), (81, 192059), (189, 82311), (567, 27437)]