25904421

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{13513}}^1$

素因数の和:13593

約数の個数: 16

約数和(自身を含む): 38920320

約数和(自身を除く): 13015899

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 13513, 40539, 121617, 364851, 959423, 2878269, 8634807, 25904421]

約数ペア:

[(1, 25904421), (3, 8634807), (9, 2878269), (27, 959423), (71, 364851), (213, 121617), (639, 40539), (1917, 13513)]