28753245

素因数分解:

$3^3\times 5^1\times {\mathrm{212987}}^1$

素因数の和:213001

約数の個数: 16

約数和(自身を含む): 51117120

約数和(自身を除く): 22363875

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 212987, 638961, 1064935, 1916883, 3194805, 5750649, 9584415, 28753245]

約数ペア:

[(1, 28753245), (3, 9584415), (5, 5750649), (9, 3194805), (15, 1916883), (27, 1064935), (45, 638961), (135, 212987)]