2009553987

素因数分解:

$3^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{553139}}^1$

素因数の和:553322

約数の個数: 16

約数和(自身を含む): 3079883520

約数和(自身を除く): 1070329533

約数列:

[1, 3, 7, 21, 173, 519, 1211, 3633, 553139, 1659417, 3871973, 11615919, 95693047, 287079141, 669851329, 2009553987]

約数ペア:

[(1, 2009553987), (3, 669851329), (7, 287079141), (21, 95693047), (173, 11615919), (519, 3871973), (1211, 1659417), (3633, 553139)]