1320806721

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1992167}}^1$

素因数の和:1992200

約数の個数: 16

約数和(自身を含む): 2008105344

約数和(自身を除く): 687298623

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 1992167, 5976501, 25898171, 33866839, 77694513, 101600517, 440268907, 1320806721]

約数ペア:

[(1, 1320806721), (3, 440268907), (13, 101600517), (17, 77694513), (39, 33866839), (51, 25898171), (221, 5976501), (663, 1992167)]