2580291

素因数分解:

$3^2\times 7^2\times {\mathrm{5851}}^1$

素因数の和:5871

約数の個数: 18

約数和(自身を含む): 4336332

約数和(自身を除く): 1756041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 5851, 17553, 40957, 52659, 122871, 286699, 368613, 860097, 2580291]

約数ペア:

[(1, 2580291), (3, 860097), (7, 368613), (9, 286699), (21, 122871), (49, 52659), (63, 40957), (147, 17553), (441, 5851)]