2009161719

素因数分解:

$3^3\times {\mathrm{661}}^1\times {\mathrm{112577}}^1$

素因数の和:113247

約数の個数: 16

約数和(自身を含む): 2981065440

約数和(自身を除く): 971903721

約数列:

[1, 3, 9, 27, 661, 1983, 5949, 17847, 112577, 337731, 1013193, 3039579, 74413397, 223240191, 669720573, 2009161719]

約数ペア:

[(1, 2009161719), (3, 669720573), (9, 223240191), (27, 74413397), (661, 3039579), (1983, 1013193), (5949, 337731), (17847, 112577)]