28774215

素因数分解:

$3^2\times 5^1\times {\mathrm{619}}^1\times {\mathrm{1033}}^1$

素因数の和:1663

約数の個数: 24

約数和(自身を含む): 50004240

約数和(自身を除く): 21230025

約数列:

[1, 3, 5, 9, 15, 45, 619, 1033, 1857, 3095, 3099, 5165, 5571, 9285, 9297, 15495, 27855, 46485, 639427, 1918281, 3197135, 5754843, 9591405, 28774215]

約数ペア:

[(1, 28774215), (3, 9591405), (5, 5754843), (9, 3197135), (15, 1918281), (45, 639427), (619, 46485), (1033, 27855), (1857, 15495), (3095, 9297), (3099, 9285), (5165, 5571)]