28783215

素因数分解:

$3^3\times 5^1\times {\mathrm{213209}}^1$

素因数の和:213223

約数の個数: 16

約数和(自身を含む): 51170400

約数和(自身を除く): 22387185

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 213209, 639627, 1066045, 1918881, 3198135, 5756643, 9594405, 28783215]

約数ペア:

[(1, 28783215), (3, 9594405), (5, 5756643), (9, 3198135), (15, 1918881), (27, 1066045), (45, 639627), (135, 213209)]