209450943

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{179}}^1$

素因数の和:408

約数の個数: 48

約数和(自身を含む): 334545120

約数和(自身を除く): 125094177

約数列:

[1, 3, 9, 13, 39, 73, 117, 137, 179, 219, 411, 537, 657, 949, 1233, 1611, 1781, 2327, 2847, 5343, 6981, 8541, 10001, 13067, 16029, 20943, 24523, 30003, 39201, 73569, 90009, 117603, 130013, 169871, 220707, 318799, 390039, 509613, 956397, 1170117, 1528839, 1790179, 2869191, 5370537, 16111611, 23272327, 69816981, 209450943]

約数ペア:

[(1, 209450943), (3, 69816981), (9, 23272327), (13, 16111611), (39, 5370537), (73, 2869191), (117, 1790179), (137, 1528839), (179, 1170117), (219, 956397), (411, 509613), (537, 390039), (657, 318799), (949, 220707), (1233, 169871), (1611, 130013), (1781, 117603), (2327, 90009), (2847, 73569), (5343, 39201), (6981, 30003), (8541, 24523), (10001, 20943), (13067, 16029)]