388550727

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{191}}^1$

素因数の和:424

約数の個数: 48

約数和(自身を含む): 597542400

約数和(自身を除く): 208991673

約数列:

[1, 3, 9, 37, 41, 111, 123, 149, 191, 333, 369, 447, 573, 1341, 1517, 1719, 4551, 5513, 6109, 7067, 7831, 13653, 16539, 18327, 21201, 23493, 28459, 49617, 54981, 63603, 70479, 85377, 226033, 256131, 289747, 678099, 869241, 1052983, 1166819, 2034297, 2607723, 3158949, 3500457, 9476847, 10501371, 43172303, 129516909, 388550727]

約数ペア:

[(1, 388550727), (3, 129516909), (9, 43172303), (37, 10501371), (41, 9476847), (111, 3500457), (123, 3158949), (149, 2607723), (191, 2034297), (333, 1166819), (369, 1052983), (447, 869241), (573, 678099), (1341, 289747), (1517, 256131), (1719, 226033), (4551, 85377), (5513, 70479), (6109, 63603), (7067, 54981), (7831, 49617), (13653, 28459), (16539, 23493), (18327, 21201)]