206089443

素因数分解:

$3^2\times 7^2\times {\mathrm{557}}^1\times {\mathrm{839}}^1$

素因数の和:1416

約数の個数: 36

約数和(自身を含む): 347321520

約数和(自身を除く): 141232077

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 557, 839, 1671, 2517, 3899, 5013, 5873, 7551, 11697, 17619, 27293, 35091, 41111, 52857, 81879, 123333, 245637, 369999, 467323, 1401969, 3271261, 4205907, 9813783, 22898827, 29441349, 68696481, 206089443]

約数ペア:

[(1, 206089443), (3, 68696481), (7, 29441349), (9, 22898827), (21, 9813783), (49, 4205907), (63, 3271261), (147, 1401969), (441, 467323), (557, 369999), (839, 245637), (1671, 123333), (2517, 81879), (3899, 52857), (5013, 41111), (5873, 35091), (7551, 27293), (11697, 17619)]