81415509

素因数分解:

$3^1\times 7^4\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:247

約数の個数: 40

約数和(自身を含む): 129070080

約数和(自身を除く): 47654571

約数列:

[1, 3, 7, 21, 49, 89, 127, 147, 267, 343, 381, 623, 889, 1029, 1869, 2401, 2667, 4361, 6223, 7203, 11303, 13083, 18669, 30527, 33909, 43561, 79121, 91581, 130683, 213689, 237363, 304927, 553847, 641067, 914781, 1661541, 3876929, 11630787, 27138503, 81415509]

約数ペア:

[(1, 81415509), (3, 27138503), (7, 11630787), (21, 3876929), (49, 1661541), (89, 914781), (127, 641067), (147, 553847), (267, 304927), (343, 237363), (381, 213689), (623, 130683), (889, 91581), (1029, 79121), (1869, 43561), (2401, 33909), (2667, 30527), (4361, 18669), (6223, 13083), (7203, 11303)]