1661899680009

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{1811}}^1\times {\mathrm{13121}}^1$

素因数の和:15366

約数の個数: 48

約数和(自身を含む): 2534635022400

約数和(自身を除く): 872735342391

約数列:

[1, 3, 9, 19, 57, 171, 409, 1227, 1811, 3681, 5433, 7771, 13121, 16299, 23313, 34409, 39363, 69939, 103227, 118089, 249299, 309681, 740699, 747897, 2222097, 2243691, 5366489, 6666291, 14073281, 16099467, 23762131, 42219843, 48298401, 71286393, 101963291, 126659529, 213859179, 305889873, 451480489, 917669619, 1354441467, 4063324401, 9718711579, 29156134737, 87468404211, 184655520001, 553966560003, 1661899680009]

約数ペア:

[(1, 1661899680009), (3, 553966560003), (9, 184655520001), (19, 87468404211), (57, 29156134737), (171, 9718711579), (409, 4063324401), (1227, 1354441467), (1811, 917669619), (3681, 451480489), (5433, 305889873), (7771, 213859179), (13121, 126659529), (16299, 101963291), (23313, 71286393), (34409, 48298401), (39363, 42219843), (69939, 23762131), (103227, 16099467), (118089, 14073281), (249299, 6666291), (309681, 5366489), (740699, 2243691), (747897, 2222097)]