51125409

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{409}}^1$

素因数の和:494

約数の個数: 48

約数和(自身を含む): 84427200

約数和(自身を除く): 33301791

約数列:

[1, 3, 9, 17, 19, 43, 51, 57, 129, 153, 171, 323, 387, 409, 731, 817, 969, 1227, 2193, 2451, 2907, 3681, 6579, 6953, 7353, 7771, 13889, 17587, 20859, 23313, 41667, 52761, 62577, 69939, 125001, 132107, 158283, 298979, 334153, 396321, 896937, 1002459, 1188963, 2690811, 3007377, 5680601, 17041803, 51125409]

約数ペア:

[(1, 51125409), (3, 17041803), (9, 5680601), (17, 3007377), (19, 2690811), (43, 1188963), (51, 1002459), (57, 896937), (129, 396321), (153, 334153), (171, 298979), (323, 158283), (387, 132107), (409, 125001), (731, 69939), (817, 62577), (969, 52761), (1227, 41667), (2193, 23313), (2451, 20859), (2907, 17587), (3681, 13889), (6579, 7771), (6953, 7353)]