28682367

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{19237}}^1$

素因数の和:19318

約数の個数: 16

約数和(自身を含む): 44324352

約数和(自身を除く): 15641985

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 19237, 57711, 134659, 403977, 1365827, 4097481, 9560789, 28682367]

約数ペア:

[(1, 28682367), (3, 9560789), (7, 4097481), (21, 1365827), (71, 403977), (213, 134659), (497, 57711), (1491, 19237)]