28184373

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{6301}}^1$

素因数の和:6385

約数の個数: 24

約数和(自身を含む): 47189376

約数和(自身を除く): 19005003

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 6301, 18903, 44107, 56709, 132321, 396963, 447371, 1342113, 3131597, 4026339, 9394791, 28184373]

約数ペア:

[(1, 28184373), (3, 9394791), (7, 4026339), (9, 3131597), (21, 1342113), (63, 447371), (71, 396963), (213, 132321), (497, 56709), (639, 44107), (1491, 18903), (4473, 6301)]