127919985

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1\times {\mathrm{1811}}^1$

素因数の和:2113

約数の個数: 32

約数和(自身を含む): 217613952

約数和(自身を除く): 89693967

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 277, 831, 1385, 1811, 4155, 4709, 5433, 9055, 14127, 23545, 27165, 30787, 70635, 92361, 153935, 461805, 501647, 1504941, 2508235, 7524705, 8527999, 25583997, 42639995, 127919985]

約数ペア:

[(1, 127919985), (3, 42639995), (5, 25583997), (15, 8527999), (17, 7524705), (51, 2508235), (85, 1504941), (255, 501647), (277, 461805), (831, 153935), (1385, 92361), (1811, 70635), (4155, 30787), (4709, 27165), (5433, 23545), (9055, 14127)]