28678995

素因数分解:

$3^3\times 5^1\times {\mathrm{212437}}^1$

素因数の和:212451

約数の個数: 16

約数和(自身を含む): 50985120

約数和(自身を除く): 22306125

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 212437, 637311, 1062185, 1911933, 3186555, 5735799, 9559665, 28678995]

約数ペア:

[(1, 28678995), (3, 9559665), (5, 5735799), (9, 3186555), (15, 1911933), (27, 1062185), (45, 637311), (135, 212437)]