11921985

素因数分解:

$3^4\times 5^1\times {\mathrm{29437}}^1$

素因数の和:29454

約数の個数: 20

約数和(自身を含む): 21371988

約数和(自身を除く): 9450003

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 29437, 88311, 147185, 264933, 441555, 794799, 1324665, 2384397, 3973995, 11921985]

約数ペア:

[(1, 11921985), (3, 3973995), (5, 2384397), (9, 1324665), (15, 794799), (27, 441555), (45, 264933), (81, 147185), (135, 88311), (405, 29437)]