2891001051

素因数分解:

$3^4\times {\mathrm{503}}^1\times {\mathrm{70957}}^1$

素因数の和:71472

約数の個数: 20

約数和(自身を含む): 4327302672

約数和(自身を除く): 1436301621

約数列:

[1, 3, 9, 27, 81, 503, 1509, 4527, 13581, 40743, 70957, 212871, 638613, 1915839, 5747517, 35691371, 107074113, 321222339, 963667017, 2891001051]

約数ペア:

[(1, 2891001051), (3, 963667017), (9, 321222339), (27, 107074113), (81, 35691371), (503, 5747517), (1509, 1915839), (4527, 638613), (13581, 212871), (40743, 70957)]