26997381

素因数分解:

$3^4\times {\mathrm{79}}^1\times {\mathrm{4219}}^1$

素因数の和:4310

約数の個数: 20

約数和(自身を含む): 40849600

約数和(自身を除く): 13852219

約数列:

[1, 3, 9, 27, 79, 81, 237, 711, 2133, 4219, 6399, 12657, 37971, 113913, 333301, 341739, 999903, 2999709, 8999127, 26997381]

約数ペア:

[(1, 26997381), (3, 8999127), (9, 2999709), (27, 999903), (79, 341739), (81, 333301), (237, 113913), (711, 37971), (2133, 12657), (4219, 6399)]