25259247

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{16607}}^1$

素因数の和:16639

約数の個数: 18

約数和(自身を含む): 39510432

約数和(自身を除く): 14251185

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 16607, 49821, 149463, 215891, 647673, 1943019, 2806583, 8419749, 25259247]

約数ペア:

[(1, 25259247), (3, 8419749), (9, 2806583), (13, 1943019), (39, 647673), (117, 215891), (169, 149463), (507, 49821), (1521, 16607)]