28647189

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{6673}}^1$

素因数の和:6738

約数の個数: 20

約数和(自身を含む): 43607916

約数和(自身を除く): 14960727

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 4293, 6673, 20019, 60057, 180171, 353669, 540513, 1061007, 3183021, 9549063, 28647189]

約数ペア:

[(1, 28647189), (3, 9549063), (9, 3183021), (27, 1061007), (53, 540513), (81, 353669), (159, 180171), (477, 60057), (1431, 20019), (4293, 6673)]