217437225

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{170539}}^1$

素因数の和:170569

約数の個数: 24

約数和(自身を含む): 380645280

約数和(自身を除く): 163208055

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 170539, 511617, 852695, 2558085, 2899163, 4263475, 8697489, 12790425, 14495815, 43487445, 72479075, 217437225]

約数ペア:

[(1, 217437225), (3, 72479075), (5, 43487445), (15, 14495815), (17, 12790425), (25, 8697489), (51, 4263475), (75, 2899163), (85, 2558085), (255, 852695), (425, 511617), (1275, 170539)]