28710315

素因数分解:

$3^3\times 5^1\times {\mathrm{212669}}^1$

素因数の和:212683

約数の個数: 16

約数和(自身を含む): 51040800

約数和(自身を除く): 22330485

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 212669, 638007, 1063345, 1914021, 3190035, 5742063, 9570105, 28710315]

約数ペア:

[(1, 28710315), (3, 9570105), (5, 5742063), (9, 3190035), (15, 1914021), (27, 1063345), (45, 638007), (135, 212669)]