18912825

素因数分解:

$3^3\times 5^2\times {\mathrm{28019}}^1$

素因数の和:28038

約数の個数: 24

約数和(自身を含む): 34744800

約数和(自身を除く): 15831975

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675, 28019, 84057, 140095, 252171, 420285, 700475, 756513, 1260855, 2101425, 3782565, 6304275, 18912825]

約数ペア:

[(1, 18912825), (3, 6304275), (5, 3782565), (9, 2101425), (15, 1260855), (25, 756513), (27, 700475), (45, 420285), (75, 252171), (135, 140095), (225, 84057), (675, 28019)]