77642721

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{659}}^1$

素因数の和:750

約数の個数: 48

約数和(自身を含む): 129729600

約数和(自身を除く): 52086879

約数列:

[1, 3, 9, 13, 19, 39, 53, 57, 117, 159, 171, 247, 477, 659, 689, 741, 1007, 1977, 2067, 2223, 3021, 5931, 6201, 8567, 9063, 12521, 13091, 25701, 34927, 37563, 39273, 77103, 104781, 112689, 117819, 162773, 314343, 454051, 488319, 663613, 1362153, 1464957, 1990839, 4086459, 5972517, 8626969, 25880907, 77642721]

約数ペア:

[(1, 77642721), (3, 25880907), (9, 8626969), (13, 5972517), (19, 4086459), (39, 1990839), (53, 1464957), (57, 1362153), (117, 663613), (159, 488319), (171, 454051), (247, 314343), (477, 162773), (659, 117819), (689, 112689), (741, 104781), (1007, 77103), (1977, 39273), (2067, 37563), (2223, 34927), (3021, 25701), (5931, 13091), (6201, 12521), (8567, 9063)]