1668638145

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6543679}}^1$

素因数の和:6543704

約数の個数: 16

約数和(自身を含む): 2826869760

約数和(自身を除く): 1158231615

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 6543679, 19631037, 32718395, 98155185, 111242543, 333727629, 556212715, 1668638145]

約数ペア:

[(1, 1668638145), (3, 556212715), (5, 333727629), (15, 111242543), (17, 98155185), (51, 32718395), (85, 19631037), (255, 6543679)]