199259295

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{781409}}^1$

素因数の和:781434

約数の個数: 16

約数和(自身を含む): 337569120

約数和(自身を除く): 138309825

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 781409, 2344227, 3907045, 11721135, 13283953, 39851859, 66419765, 199259295]

約数ペア:

[(1, 199259295), (3, 66419765), (5, 39851859), (15, 13283953), (17, 11721135), (51, 3907045), (85, 2344227), (255, 781409)]