51620217

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{631}}^1$

素因数の和:749

約数の個数: 32

約数和(自身を含む): 78388224

約数和(自身を除く): 26768007

約数列:

[1, 3, 11, 33, 37, 67, 111, 201, 407, 631, 737, 1221, 1893, 2211, 2479, 6941, 7437, 20823, 23347, 27269, 42277, 70041, 81807, 126831, 256817, 465047, 770451, 1395141, 1564249, 4692747, 17206739, 51620217]

約数ペア:

[(1, 51620217), (3, 17206739), (11, 4692747), (33, 1564249), (37, 1395141), (67, 770451), (111, 465047), (201, 256817), (407, 126831), (631, 81807), (737, 70041), (1221, 42277), (1893, 27269), (2211, 23347), (2479, 20823), (6941, 7437)]