51648669

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 84427200

約数和(自身を除く): 32778531

約数列:

[1, 3, 9, 17, 19, 51, 57, 109, 153, 163, 171, 323, 327, 489, 969, 981, 1467, 1853, 2071, 2771, 2907, 3097, 5559, 6213, 8313, 9291, 16677, 17767, 18639, 24939, 27873, 35207, 52649, 53301, 105621, 157947, 159903, 302039, 316863, 337573, 473841, 906117, 1012719, 2718351, 3038157, 5738741, 17216223, 51648669]

約数ペア:

[(1, 51648669), (3, 17216223), (9, 5738741), (17, 3038157), (19, 2718351), (51, 1012719), (57, 906117), (109, 473841), (153, 337573), (163, 316863), (171, 302039), (323, 159903), (327, 157947), (489, 105621), (969, 53301), (981, 52649), (1467, 35207), (1853, 27873), (2071, 24939), (2771, 18639), (2907, 17767), (3097, 16677), (5559, 9291), (6213, 8313)]