320128065

素因数分解:

$3^3\times 5^1\times {\mathrm{857}}^1\times {\mathrm{2767}}^1$

素因数の和:3638

約数の個数: 32

約数和(自身を含む): 569986560

約数和(自身を除く): 249858495

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 857, 2571, 2767, 4285, 7713, 8301, 12855, 13835, 23139, 24903, 38565, 41505, 74709, 115695, 124515, 373545, 2371319, 7113957, 11856595, 21341871, 35569785, 64025613, 106709355, 320128065]

約数ペア:

[(1, 320128065), (3, 106709355), (5, 64025613), (9, 35569785), (15, 21341871), (27, 11856595), (45, 7113957), (135, 2371319), (857, 373545), (2571, 124515), (2767, 115695), (4285, 74709), (7713, 41505), (8301, 38565), (12855, 24903), (13835, 23139)]