25784145

素因数分解:

$3^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1361}}^1$

素因数の和:1793

約数の個数: 24

約数和(自身を含む): 44831592

約数和(自身を除く): 19047447

約数列:

[1, 3, 5, 9, 15, 45, 421, 1263, 1361, 2105, 3789, 4083, 6315, 6805, 12249, 18945, 20415, 61245, 572981, 1718943, 2864905, 5156829, 8594715, 25784145]

約数ペア:

[(1, 25784145), (3, 8594715), (5, 5156829), (9, 2864905), (15, 1718943), (45, 572981), (421, 61245), (1263, 20415), (1361, 18945), (2105, 12249), (3789, 6805), (4083, 6315)]