2890809

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{401}}^1$

素因数の和:502

約数の個数: 20

約数和(自身を含む): 4377780

約数和(自身を除く): 1486971

約数列:

[1, 3, 9, 27, 81, 89, 267, 401, 801, 1203, 2403, 3609, 7209, 10827, 32481, 35689, 107067, 321201, 963603, 2890809]

約数ペア:

[(1, 2890809), (3, 963603), (9, 321201), (27, 107067), (81, 35689), (89, 32481), (267, 10827), (401, 7209), (801, 3609), (1203, 2403)]