25122519

素因数分解:

$3^2\times {\mathrm{37}}^2\times {\mathrm{2039}}^1$

素因数の和:2119

約数の個数: 18

約数和(自身を含む): 37313640

約数和(自身を除く): 12191121

約数列:

[1, 3, 9, 37, 111, 333, 1369, 2039, 4107, 6117, 12321, 18351, 75443, 226329, 678987, 2791391, 8374173, 25122519]

約数ペア:

[(1, 25122519), (3, 8374173), (9, 2791391), (37, 678987), (111, 226329), (333, 75443), (1369, 18351), (2039, 12321), (4107, 6117)]