28749147

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{72053}}^1$

素因数の和:72082

約数の個数: 16

約数和(自身を含む): 46114560

約数和(自身を除く): 17365413

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 72053, 216159, 504371, 1369007, 1513113, 4107021, 9583049, 28749147]

約数ペア:

[(1, 28749147), (3, 9583049), (7, 4107021), (19, 1513113), (21, 1369007), (57, 504371), (133, 216159), (399, 72053)]