178887855

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{317}}^1\times {\mathrm{2213}}^1$

素因数の和:2555

約数の個数: 32

約数和(自身を含む): 304150464

約数和(自身を除く): 125262609

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 317, 951, 1585, 2213, 4755, 5389, 6639, 11065, 16167, 26945, 33195, 37621, 80835, 112863, 188105, 564315, 701521, 2104563, 3507605, 10522815, 11925857, 35777571, 59629285, 178887855]

約数ペア:

[(1, 178887855), (3, 59629285), (5, 35777571), (15, 11925857), (17, 10522815), (51, 3507605), (85, 2104563), (255, 701521), (317, 564315), (951, 188105), (1585, 112863), (2213, 80835), (4755, 37621), (5389, 33195), (6639, 26945), (11065, 16167)]