20171249889

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{249037}}^1$

素因数の和:249102

約数の個数: 48

約数和(自身を含む): 34068398400

約数和(自身を除く): 13897148511

約数列:

[1, 3, 7, 19, 21, 29, 49, 57, 87, 133, 147, 203, 399, 551, 609, 931, 1421, 1653, 2793, 3857, 4263, 11571, 26999, 80997, 249037, 747111, 1743259, 4731703, 5229777, 7222073, 12202813, 14195109, 21666219, 33121921, 36608439, 50554511, 99365763, 137219387, 151663533, 231853447, 353881577, 411658161, 695560341, 960535709, 1061644731, 2881607127, 6723749963, 20171249889]

約数ペア:

[(1, 20171249889), (3, 6723749963), (7, 2881607127), (19, 1061644731), (21, 960535709), (29, 695560341), (49, 411658161), (57, 353881577), (87, 231853447), (133, 151663533), (147, 137219387), (203, 99365763), (399, 50554511), (551, 36608439), (609, 33121921), (931, 21666219), (1421, 14195109), (1653, 12202813), (2793, 7222073), (3857, 5229777), (4263, 4731703), (11571, 1743259), (26999, 747111), (80997, 249037)]