201939381

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1\times {\mathrm{307}}^1$

素因数の和:570

約数の個数: 48

約数和(自身を含む): 342486144

約数和(自身を除く): 140546763

約数列:

[1, 3, 7, 9, 21, 53, 63, 159, 197, 307, 371, 477, 591, 921, 1113, 1379, 1773, 2149, 2763, 3339, 4137, 6447, 10441, 12411, 16271, 19341, 31323, 48813, 60479, 73087, 93969, 113897, 146439, 181437, 219261, 341691, 423353, 544311, 657783, 1025073, 1270059, 3205387, 3810177, 9616161, 22437709, 28848483, 67313127, 201939381]

約数ペア:

[(1, 201939381), (3, 67313127), (7, 28848483), (9, 22437709), (21, 9616161), (53, 3810177), (63, 3205387), (159, 1270059), (197, 1025073), (307, 657783), (371, 544311), (477, 423353), (591, 341691), (921, 219261), (1113, 181437), (1379, 146439), (1773, 113897), (2149, 93969), (2763, 73087), (3339, 60479), (4137, 48813), (6447, 31323), (10441, 19341), (12411, 16271)]