388045281

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{2971}}^1$

素因数の和:3201

約数の個数: 32

約数和(自身を含む): 593163648

約数和(自身を除く): 205118367

約数列:

[1, 3, 13, 17, 39, 51, 197, 221, 591, 663, 2561, 2971, 3349, 7683, 8913, 10047, 38623, 43537, 50507, 115869, 130611, 151521, 585287, 656591, 1755861, 1969773, 7608731, 9949879, 22826193, 29849637, 129348427, 388045281]

約数ペア:

[(1, 388045281), (3, 129348427), (13, 29849637), (17, 22826193), (39, 9949879), (51, 7608731), (197, 1969773), (221, 1755861), (591, 656591), (663, 585287), (2561, 151521), (2971, 130611), (3349, 115869), (7683, 50507), (8913, 43537), (10047, 38623)]