71131485

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{278947}}^1$

素因数の和:278972

約数の個数: 16

約数和(自身を含む): 120505536

約数和(自身を除く): 49374051

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 278947, 836841, 1394735, 4184205, 4742099, 14226297, 23710495, 71131485]

約数ペア:

[(1, 71131485), (3, 23710495), (5, 14226297), (15, 4742099), (17, 4184205), (51, 1394735), (85, 836841), (255, 278947)]