201879531

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{78157}}^1$

素因数の和:78211

約数の個数: 24

約数和(自身を含む): 341394144

約数和(自身を除く): 139514613

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 287, 369, 861, 2583, 78157, 234471, 547099, 703413, 1641297, 3204437, 4923891, 9613311, 22431059, 28839933, 67293177, 201879531]

約数ペア:

[(1, 201879531), (3, 67293177), (7, 28839933), (9, 22431059), (21, 9613311), (41, 4923891), (63, 3204437), (123, 1641297), (287, 703413), (369, 547099), (861, 234471), (2583, 78157)]