15558399

素因数分解:

$3^4\times {\mathrm{401}}^1\times {\mathrm{479}}^1$

素因数の和:892

約数の個数: 20

約数和(自身を含む): 23348160

約数和(自身を除く): 7789761

約数列:

[1, 3, 9, 27, 81, 401, 479, 1203, 1437, 3609, 4311, 10827, 12933, 32481, 38799, 192079, 576237, 1728711, 5186133, 15558399]

約数ペア:

[(1, 15558399), (3, 5186133), (9, 1728711), (27, 576237), (81, 192079), (401, 38799), (479, 32481), (1203, 12933), (1437, 10827), (3609, 4311)]