247391757

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{313}}^1\times {\mathrm{1657}}^1$

素因数の和:2029

約数の個数: 24

約数和(自身を含む): 365469624

約数和(自身を除く): 118077867

約数列:

[1, 3, 9, 53, 159, 313, 477, 939, 1657, 2817, 4971, 14913, 16589, 49767, 87821, 149301, 263463, 518641, 790389, 1555923, 4667769, 27487973, 82463919, 247391757]

約数ペア:

[(1, 247391757), (3, 82463919), (9, 27487973), (53, 4667769), (159, 1555923), (313, 790389), (477, 518641), (939, 263463), (1657, 149301), (2817, 87821), (4971, 49767), (14913, 16589)]