28672947

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{6679}}^1$

素因数の和:6744

約数の個数: 20

約数和(自身を含む): 43647120

約数和(自身を除く): 14974173

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 4293, 6679, 20037, 60111, 180333, 353987, 540999, 1061961, 3185883, 9557649, 28672947]

約数ペア:

[(1, 28672947), (3, 9557649), (9, 3185883), (27, 1061961), (53, 540999), (81, 353987), (159, 180333), (477, 60111), (1431, 20037), (4293, 6679)]