31465989

素因数分解:

$3^4\times {\mathrm{479}}^1\times {\mathrm{811}}^1$

素因数の和:1302

約数の個数: 20

約数和(自身を含む): 47160960

約数和(自身を除く): 15694971

約数列:

[1, 3, 9, 27, 81, 479, 811, 1437, 2433, 4311, 7299, 12933, 21897, 38799, 65691, 388469, 1165407, 3496221, 10488663, 31465989]

約数ペア:

[(1, 31465989), (3, 10488663), (9, 3496221), (27, 1165407), (81, 388469), (479, 65691), (811, 38799), (1437, 21897), (2433, 12933), (4311, 7299)]