81889311

素因数分解:

$3^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{18481}}^1$

素因数の和:18702

約数の個数: 16

約数和(自身を含む): 125381888

約数和(自身を除く): 43492577

約数列:

[1, 3, 7, 21, 211, 633, 1477, 4431, 18481, 55443, 129367, 388101, 3899491, 11698473, 27296437, 81889311]

約数ペア:

[(1, 81889311), (3, 27296437), (7, 11698473), (21, 3899491), (211, 388101), (633, 129367), (1477, 55443), (4431, 18481)]