839448393

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{305143}}^1$

素因数の和:305284

約数の個数: 16

約数和(自身を含む): 1288928256

約数和(自身を除く): 449479863

約数列:

[1, 3, 7, 21, 131, 393, 917, 2751, 305143, 915429, 2136001, 6408003, 39973733, 119921199, 279816131, 839448393]

約数ペア:

[(1, 839448393), (3, 279816131), (7, 119921199), (21, 39973733), (131, 6408003), (393, 2136001), (917, 915429), (2751, 305143)]