6647788215

素因数分解:

$3^2\times 5^1\times {\mathrm{147728627}}^1$

素因数の和:147728638

約数の個数: 12

約数和(自身を含む): 11522832984

約数和(自身を除く): 4875044769

約数列:

[1, 3, 5, 9, 15, 45, 147728627, 443185881, 738643135, 1329557643, 2215929405, 6647788215]

約数ペア:

[(1, 6647788215), (3, 2215929405), (5, 1329557643), (9, 738643135), (15, 443185881), (45, 147728627)]