28331937

素因数分解:

$3^4\times {\mathrm{257}}^1\times {\mathrm{1361}}^1$

素因数の和:1630

約数の個数: 20

約数和(自身を含む): 42518916

約数和(自身を除く): 14186979

約数列:

[1, 3, 9, 27, 81, 257, 771, 1361, 2313, 4083, 6939, 12249, 20817, 36747, 110241, 349777, 1049331, 3147993, 9443979, 28331937]

約数ペア:

[(1, 28331937), (3, 9443979), (9, 3147993), (27, 1049331), (81, 349777), (257, 110241), (771, 36747), (1361, 20817), (2313, 12249), (4083, 6939)]