206897859

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{1361}}^1$

素因数の和:1520

約数の個数: 48

約数和(自身を含む): 362618880

約数和(自身を除く): 155721021

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 127, 133, 171, 381, 399, 889, 1143, 1197, 1361, 2413, 2667, 4083, 7239, 8001, 9527, 12249, 16891, 21717, 25859, 28581, 50673, 77577, 85743, 152019, 172847, 181013, 232731, 518541, 543039, 1209929, 1555623, 1629117, 3284093, 3629787, 9852279, 10889361, 22988651, 29556837, 68965953, 206897859]

約数ペア:

[(1, 206897859), (3, 68965953), (7, 29556837), (9, 22988651), (19, 10889361), (21, 9852279), (57, 3629787), (63, 3284093), (127, 1629117), (133, 1555623), (171, 1209929), (381, 543039), (399, 518541), (889, 232731), (1143, 181013), (1197, 172847), (1361, 152019), (2413, 85743), (2667, 77577), (4083, 50673), (7239, 28581), (8001, 25859), (9527, 21717), (12249, 16891)]