28581567

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71633}}^1$

素因数の和:71662

約数の個数: 16

約数和(自身を含む): 45845760

約数和(自身を除く): 17264193

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 71633, 214899, 501431, 1361027, 1504293, 4083081, 9527189, 28581567]

約数ペア:

[(1, 28581567), (3, 9527189), (7, 4083081), (19, 1504293), (21, 1361027), (57, 501431), (133, 214899), (399, 71633)]