28669815

素因数分解:

$3^3\times 5^1\times {\mathrm{212369}}^1$

素因数の和:212383

約数の個数: 16

約数和(自身を含む): 50968800

約数和(自身を除く): 22298985

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 212369, 637107, 1061845, 1911321, 3185535, 5733963, 9556605, 28669815]

約数ペア:

[(1, 28669815), (3, 9556605), (5, 5733963), (9, 3185535), (15, 1911321), (27, 1061845), (45, 637107), (135, 212369)]