66689265

素因数分解:

$3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{19937}}^1$

素因数の和:20168

約数の個数: 16

約数和(自身を含む): 107186688

約数和(自身を除く): 40497423

約数列:

[1, 3, 5, 15, 223, 669, 1115, 3345, 19937, 59811, 99685, 299055, 4445951, 13337853, 22229755, 66689265]

約数ペア:

[(1, 66689265), (3, 22229755), (5, 13337853), (15, 4445951), (223, 299055), (669, 99685), (1115, 59811), (3345, 19937)]