28225281

素因数分解:

$3^1\times 7^1\times {\mathrm{1019}}^1\times {\mathrm{1319}}^1$

素因数の和:2348

約数の個数: 16

約数和(自身を含む): 43084800

約数和(自身を除く): 14859519

約数列:

[1, 3, 7, 21, 1019, 1319, 3057, 3957, 7133, 9233, 21399, 27699, 1344061, 4032183, 9408427, 28225281]

約数ペア:

[(1, 28225281), (3, 9408427), (7, 4032183), (21, 1344061), (1019, 27699), (1319, 21399), (3057, 9233), (3957, 7133)]