6661665

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{4001}}^1$

素因数の和:4049

約数の個数: 24

約数和(自身を含む): 11861928

約数和(自身を除く): 5200263

約数列:

[1, 3, 5, 9, 15, 37, 45, 111, 185, 333, 555, 1665, 4001, 12003, 20005, 36009, 60015, 148037, 180045, 444111, 740185, 1332333, 2220555, 6661665]

約数ペア:

[(1, 6661665), (3, 2220555), (5, 1332333), (9, 740185), (15, 444111), (37, 180045), (45, 148037), (111, 60015), (185, 36009), (333, 20005), (555, 12003), (1665, 4001)]