217042111

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:224

約数の個数: 64

約数和(自身を含む): 294174720

約数和(自身を除く): 77132609

約数列:

[1, 11, 13, 17, 19, 37, 127, 143, 187, 209, 221, 247, 323, 407, 481, 629, 703, 1397, 1651, 2159, 2413, 2431, 2717, 3553, 4199, 4699, 5291, 6919, 7733, 8177, 9139, 11951, 18161, 23749, 26543, 28067, 31369, 41021, 46189, 51689, 61087, 79883, 89281, 89947, 100529, 131461, 155363, 308737, 345059, 451231, 533273, 671957, 878713, 982091, 1038479, 1160653, 1517777, 1708993, 5866003, 11423269, 12767183, 16695547, 19731101, 217042111]

約数ペア:

[(1, 217042111), (11, 19731101), (13, 16695547), (17, 12767183), (19, 11423269), (37, 5866003), (127, 1708993), (143, 1517777), (187, 1160653), (209, 1038479), (221, 982091), (247, 878713), (323, 671957), (407, 533273), (481, 451231), (629, 345059), (703, 308737), (1397, 155363), (1651, 131461), (2159, 100529), (2413, 89947), (2431, 89281), (2717, 79883), (3553, 61087), (4199, 51689), (4699, 46189), (5291, 41021), (6919, 31369), (7733, 28067), (8177, 26543), (9139, 23749), (11951, 18161)]