661548897

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2447}}^1$

素因数の和:2523

約数の個数: 64

約数和(自身を含む): 1128038400

約数和(自身を除く): 466489503

約数列:

[1, 3, 9, 17, 19, 27, 31, 51, 57, 93, 153, 171, 279, 323, 459, 513, 527, 589, 837, 969, 1581, 1767, 2447, 2907, 4743, 5301, 7341, 8721, 10013, 14229, 15903, 22023, 30039, 41599, 46493, 66069, 75857, 90117, 124797, 139479, 227571, 270351, 374391, 418437, 682713, 790381, 1123173, 1255311, 1289569, 1441283, 2048139, 2371143, 3868707, 4323849, 7113429, 11606121, 12971547, 21340287, 24501811, 34818363, 38914641, 73505433, 220516299, 661548897]

約数ペア:

[(1, 661548897), (3, 220516299), (9, 73505433), (17, 38914641), (19, 34818363), (27, 24501811), (31, 21340287), (51, 12971547), (57, 11606121), (93, 7113429), (153, 4323849), (171, 3868707), (279, 2371143), (323, 2048139), (459, 1441283), (513, 1289569), (527, 1255311), (589, 1123173), (837, 790381), (969, 682713), (1581, 418437), (1767, 374391), (2447, 270351), (2907, 227571), (4743, 139479), (5301, 124797), (7341, 90117), (8721, 75857), (10013, 66069), (14229, 46493), (15903, 41599), (22023, 30039)]