26820963

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{25471}}^1$

素因数の和:25496

約数の個数: 20

約数和(自身を含む): 43149568

約数和(自身を除く): 16328605

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 25471, 76413, 229239, 331123, 687717, 993369, 2063151, 2980107, 8940321, 26820963]

約数ペア:

[(1, 26820963), (3, 8940321), (9, 2980107), (13, 2063151), (27, 993369), (39, 687717), (81, 331123), (117, 229239), (351, 76413), (1053, 25471)]