78920715

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{309493}}^1$

素因数の和:309518

約数の個数: 16

約数和(自身を含む): 133701408

約数和(自身を除く): 54780693

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 309493, 928479, 1547465, 4642395, 5261381, 15784143, 26306905, 78920715]

約数ペア:

[(1, 78920715), (3, 26306905), (5, 15784143), (15, 5261381), (17, 4642395), (51, 1547465), (85, 928479), (255, 309493)]