201885579

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1\times {\mathrm{337}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 344630208

約数和(自身を除く): 142744629

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 257, 259, 333, 337, 771, 777, 1011, 1799, 2313, 2331, 2359, 3033, 5397, 7077, 9509, 12469, 16191, 21231, 28527, 37407, 66563, 85581, 86609, 87283, 112221, 199689, 259827, 261849, 599067, 606263, 779481, 785547, 1818789, 3204533, 5456367, 9613599, 22431731, 28840797, 67295193, 201885579]

約数ペア:

[(1, 201885579), (3, 67295193), (7, 28840797), (9, 22431731), (21, 9613599), (37, 5456367), (63, 3204533), (111, 1818789), (257, 785547), (259, 779481), (333, 606263), (337, 599067), (771, 261849), (777, 259827), (1011, 199689), (1799, 112221), (2313, 87283), (2331, 86609), (2359, 85581), (3033, 66563), (5397, 37407), (7077, 28527), (9509, 21231), (12469, 16191)]