12840729

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{487}}^1$

素因数の和:565

約数の個数: 32

約数和(自身を含む): 20238336

約数和(自身を除く): 7397607

約数列:

[1, 3, 11, 17, 33, 47, 51, 141, 187, 487, 517, 561, 799, 1461, 1551, 2397, 5357, 8279, 8789, 16071, 22889, 24837, 26367, 68667, 91069, 251779, 273207, 389113, 755337, 1167339, 4280243, 12840729]

約数ペア:

[(1, 12840729), (3, 4280243), (11, 1167339), (17, 755337), (33, 389113), (47, 273207), (51, 251779), (141, 91069), (187, 68667), (487, 26367), (517, 24837), (561, 22889), (799, 16071), (1461, 8789), (1551, 8279), (2397, 5357)]