255852495

素因数分解:

$3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{22123}}^1$

素因数の和:22391

約数の個数: 24

約数和(自身を含む): 445223376

約数和(自身を除く): 189370881

約数列:

[1, 3, 5, 9, 15, 45, 257, 771, 1285, 2313, 3855, 11565, 22123, 66369, 110615, 199107, 331845, 995535, 5685611, 17056833, 28428055, 51170499, 85284165, 255852495]

約数ペア:

[(1, 255852495), (3, 85284165), (5, 51170499), (9, 28428055), (15, 17056833), (45, 5685611), (257, 995535), (771, 331845), (1285, 199107), (2313, 110615), (3855, 66369), (11565, 22123)]