256985787

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{1657}}^1\times {\mathrm{3041}}^1$

素因数の和:4718

約数の個数: 16

約数和(自身を含む): 363141792

約数和(自身を除く): 106156005

約数列:

[1, 3, 17, 51, 1657, 3041, 4971, 9123, 28169, 51697, 84507, 155091, 5038937, 15116811, 85661929, 256985787]

約数ペア:

[(1, 256985787), (3, 85661929), (17, 15116811), (51, 5038937), (1657, 155091), (3041, 84507), (4971, 51697), (9123, 28169)]