197903385

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{63737}}^1$

素因数の和:63774

約数の個数: 32

約数和(自身を含む): 367130880

約数和(自身を除く): 169227495

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 621, 1035, 3105, 63737, 191211, 318685, 573633, 956055, 1465951, 1720899, 2868165, 4397853, 7329755, 8604495, 13193559, 21989265, 39580677, 65967795, 197903385]

約数ペア:

[(1, 197903385), (3, 65967795), (5, 39580677), (9, 21989265), (15, 13193559), (23, 8604495), (27, 7329755), (45, 4397853), (69, 2868165), (115, 1720899), (135, 1465951), (207, 956055), (345, 573633), (621, 318685), (1035, 191211), (3105, 63737)]