201972519

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{78193}}^1$

素因数の和:78247

約数の個数: 24

約数和(自身を含む): 341551392

約数和(自身を除く): 139578873

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 287, 369, 861, 2583, 78193, 234579, 547351, 703737, 1642053, 3205913, 4926159, 9617739, 22441391, 28853217, 67324173, 201972519]

約数ペア:

[(1, 201972519), (3, 67324173), (7, 28853217), (9, 22441391), (21, 9617739), (41, 4926159), (63, 3205913), (123, 1642053), (287, 703737), (369, 547351), (861, 234579), (2583, 78193)]