25091613

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{4363}}^1$

素因数の和:4446

約数の個数: 20

約数和(自身を含む): 38019168

約数和(自身を除く): 12927555

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 4363, 5751, 13089, 39267, 117801, 309773, 353403, 929319, 2787957, 8363871, 25091613]

約数ペア:

[(1, 25091613), (3, 8363871), (9, 2787957), (27, 929319), (71, 353403), (81, 309773), (213, 117801), (639, 39267), (1917, 13089), (4363, 5751)]