257611149

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{1683733}}^1$

素因数の和:1683756

約数の個数: 12

約数和(自身を含む): 393993756

約数和(自身を除く): 136382607

約数列:

[1, 3, 9, 17, 51, 153, 1683733, 5051199, 15153597, 28623461, 85870383, 257611149]

約数ペア:

[(1, 257611149), (3, 85870383), (9, 28623461), (17, 15153597), (51, 5051199), (153, 1683733)]