12779985

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{23027}}^1$

素因数の和:23072

約数の個数: 16

約数和(自身を含む): 21001536

約数和(自身を除く): 8221551

約数列:

[1, 3, 5, 15, 37, 111, 185, 555, 23027, 69081, 115135, 345405, 851999, 2555997, 4259995, 12779985]

約数ペア:

[(1, 12779985), (3, 4259995), (5, 2555997), (15, 851999), (37, 345405), (111, 115135), (185, 69081), (555, 23027)]