261788457

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{733301}}^1$

素因数の和:733328

約数の個数: 16

約数和(自身を含む): 422381952

約数和(自身を除く): 160593495

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 733301, 2199903, 5133107, 12466117, 15399321, 37398351, 87262819, 261788457]

約数ペア:

[(1, 261788457), (3, 87262819), (7, 37398351), (17, 15399321), (21, 12466117), (51, 5133107), (119, 2199903), (357, 733301)]