245857587

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{727}}^1$

素因数の和:1115

約数の個数: 32

約数和(自身を含む): 366912000

約数和(自身を除く): 121054413

約数列:

[1, 3, 17, 19, 51, 57, 323, 349, 727, 969, 1047, 2181, 5933, 6631, 12359, 13813, 17799, 19893, 37077, 41439, 112727, 234821, 253723, 338181, 704463, 761169, 4313291, 4820737, 12939873, 14462211, 81952529, 245857587]

約数ペア:

[(1, 245857587), (3, 81952529), (17, 14462211), (19, 12939873), (51, 4820737), (57, 4313291), (323, 761169), (349, 704463), (727, 338181), (969, 253723), (1047, 234821), (2181, 112727), (5933, 41439), (6631, 37077), (12359, 19893), (13813, 17799)]