66667587

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 108345600

約数和(自身を除く): 41678013

約数列:

[1, 3, 7, 21, 43, 49, 53, 129, 147, 159, 199, 301, 371, 597, 903, 1113, 1393, 2107, 2279, 2597, 4179, 6321, 6837, 7791, 8557, 9751, 10547, 15953, 25671, 29253, 31641, 47859, 59899, 73829, 111671, 179697, 221487, 335013, 419293, 453521, 516803, 1257879, 1360563, 1550409, 3174647, 9523941, 22222529, 66667587]

約数ペア:

[(1, 66667587), (3, 22222529), (7, 9523941), (21, 3174647), (43, 1550409), (49, 1360563), (53, 1257879), (129, 516803), (147, 453521), (159, 419293), (199, 335013), (301, 221487), (371, 179697), (597, 111671), (903, 73829), (1113, 59899), (1393, 47859), (2107, 31641), (2279, 29253), (2597, 25671), (4179, 15953), (6321, 10547), (6837, 9751), (7791, 8557)]