28249977

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{18947}}^1$

素因数の和:19028

約数の個数: 16

約数和(自身を含む): 43656192

約数和(自身を除く): 15406215

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 18947, 56841, 132629, 397887, 1345237, 4035711, 9416659, 28249977]

約数ペア:

[(1, 28249977), (3, 9416659), (7, 4035711), (21, 1345237), (71, 397887), (213, 132629), (497, 56841), (1491, 18947)]