66390210

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{19937}}^1$

素因数の和:19987

約数の個数: 48

約数和(自身を含む): 177288696

約数和(自身を除く): 110898486

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 37, 45, 74, 90, 111, 185, 222, 333, 370, 555, 666, 1110, 1665, 3330, 19937, 39874, 59811, 99685, 119622, 179433, 199370, 299055, 358866, 598110, 737669, 897165, 1475338, 1794330, 2213007, 3688345, 4426014, 6639021, 7376690, 11065035, 13278042, 22130070, 33195105, 66390210]

約数ペア:

[(1, 66390210), (2, 33195105), (3, 22130070), (5, 13278042), (6, 11065035), (9, 7376690), (10, 6639021), (15, 4426014), (18, 3688345), (30, 2213007), (37, 1794330), (45, 1475338), (74, 897165), (90, 737669), (111, 598110), (185, 358866), (222, 299055), (333, 199370), (370, 179433), (555, 119622), (666, 99685), (1110, 59811), (1665, 39874), (3330, 19937)]