271991517

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{40099}}^1$

素因数の和:40145

約数の個数: 32

約数和(自身を含む): 461952000

約数和(自身を除く): 189960483

約数列:

[1, 3, 7, 17, 19, 21, 51, 57, 119, 133, 323, 357, 399, 969, 2261, 6783, 40099, 120297, 280693, 681683, 761881, 842079, 2045049, 2285643, 4771781, 5333167, 12951977, 14315343, 15999501, 38855931, 90663839, 271991517]

約数ペア:

[(1, 271991517), (3, 90663839), (7, 38855931), (17, 15999501), (19, 14315343), (21, 12951977), (51, 5333167), (57, 4771781), (119, 2285643), (133, 2045049), (323, 842079), (357, 761881), (399, 681683), (969, 280693), (2261, 120297), (6783, 40099)]