28375245

素因数分解:

$3^3\times 5^1\times {\mathrm{210187}}^1$

素因数の和:210201

約数の個数: 16

約数和(自身を含む): 50445120

約数和(自身を除く): 22069875

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 210187, 630561, 1050935, 1891683, 3152805, 5675049, 9458415, 28375245]

約数ペア:

[(1, 28375245), (3, 9458415), (5, 5675049), (9, 3152805), (15, 1891683), (27, 1050935), (45, 630561), (135, 210187)]