1251891747

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{51461}}^1$

素因数の和:51540

約数の個数: 32

約数和(自身を含む): 2000842560

約数和(自身を除く): 748950813

約数列:

[1, 3, 9, 17, 27, 51, 53, 153, 159, 459, 477, 901, 1431, 2703, 8109, 24327, 51461, 154383, 463149, 874837, 1389447, 2624511, 2727433, 7873533, 8182299, 23620599, 24546897, 46366361, 73640691, 139099083, 417297249, 1251891747]

約数ペア:

[(1, 1251891747), (3, 417297249), (9, 139099083), (17, 73640691), (27, 46366361), (51, 24546897), (53, 23620599), (153, 8182299), (159, 7873533), (459, 2727433), (477, 2624511), (901, 1389447), (1431, 874837), (2703, 463149), (8109, 154383), (24327, 51461)]