28945215

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16493}}^1$

素因数の和:16520

約数の個数: 32

約数和(自身を含む): 55419840

約数和(自身を除く): 26474625

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1755, 16493, 49479, 82465, 148437, 214409, 247395, 445311, 643227, 742185, 1072045, 1929681, 2226555, 3216135, 5789043, 9648405, 28945215]

約数ペア:

[(1, 28945215), (3, 9648405), (5, 5789043), (9, 3216135), (13, 2226555), (15, 1929681), (27, 1072045), (39, 742185), (45, 643227), (65, 445311), (117, 247395), (135, 214409), (195, 148437), (351, 82465), (585, 49479), (1755, 16493)]