205901787

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{11257}}^1$

素因数の和:11347

約数の個数: 32

約数和(自身を含む): 342963712

約数和(自身を除く): 137061925

約数列:

[1, 3, 7, 13, 21, 39, 67, 91, 201, 273, 469, 871, 1407, 2613, 6097, 11257, 18291, 33771, 78799, 146341, 236397, 439023, 754219, 1024387, 2262657, 3073161, 5279533, 9804847, 15838599, 29414541, 68633929, 205901787]

約数ペア:

[(1, 205901787), (3, 68633929), (7, 29414541), (13, 15838599), (21, 9804847), (39, 5279533), (67, 3073161), (91, 2262657), (201, 1024387), (273, 754219), (469, 439023), (871, 236397), (1407, 146341), (2613, 78799), (6097, 33771), (11257, 18291)]