218451255

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{6653}}^1$

素因数の和:6871

約数の個数: 32

約数和(自身を含む): 383270400

約数和(自身を除く): 164819145

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 199, 597, 995, 2189, 2985, 6567, 6653, 10945, 19959, 32835, 33265, 73183, 99795, 219549, 365915, 1097745, 1323947, 3971841, 6619735, 14563417, 19859205, 43690251, 72817085, 218451255]

約数ペア:

[(1, 218451255), (3, 72817085), (5, 43690251), (11, 19859205), (15, 14563417), (33, 6619735), (55, 3971841), (165, 1323947), (199, 1097745), (597, 365915), (995, 219549), (2189, 99795), (2985, 73183), (6567, 33265), (6653, 32835), (10945, 19959)]