28003549

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{4297}}^1$

素因数の和:4337

約数の個数: 16

約数和(自身を含む): 34384000

約数和(自身を除く): 6380451

約数列:

[1, 7, 19, 49, 133, 343, 931, 4297, 6517, 30079, 81643, 210553, 571501, 1473871, 4000507, 28003549]

約数ペア:

[(1, 28003549), (7, 4000507), (19, 1473871), (49, 571501), (133, 210553), (343, 81643), (931, 30079), (4297, 6517)]