1278363705

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{5013191}}^1$

素因数の和:5013216

約数の個数: 16

約数和(自身を含む): 2165698944

約数和(自身を除く): 887335239

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 5013191, 15039573, 25065955, 75197865, 85224247, 255672741, 426121235, 1278363705]

約数ペア:

[(1, 1278363705), (3, 426121235), (5, 255672741), (15, 85224247), (17, 75197865), (51, 25065955), (85, 15039573), (255, 5013191)]