28166949

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{1297}}^1$

素因数の和:1449

約数の個数: 24

約数和(自身を含む): 43197440

約数和(自身を除く): 15030491

約数列:

[1, 3, 9, 19, 57, 127, 171, 381, 1143, 1297, 2413, 3891, 7239, 11673, 21717, 24643, 73929, 164719, 221787, 494157, 1482471, 3129661, 9388983, 28166949]

約数ペア:

[(1, 28166949), (3, 9388983), (9, 3129661), (19, 1482471), (57, 494157), (127, 221787), (171, 164719), (381, 73929), (1143, 24643), (1297, 21717), (2413, 11673), (3891, 7239)]