13090221

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{79}}^1$

素因数の和:143

約数の個数: 48

約数和(自身を含む): 21945600

約数和(自身を除く): 8855379

約数列:

[1, 3, 9, 17, 19, 27, 51, 57, 79, 153, 171, 237, 323, 361, 459, 513, 711, 969, 1083, 1343, 1501, 2133, 2907, 3249, 4029, 4503, 6137, 8721, 9747, 12087, 13509, 18411, 25517, 28519, 36261, 40527, 55233, 76551, 85557, 165699, 229653, 256671, 484823, 688959, 770013, 1454469, 4363407, 13090221]

約数ペア:

[(1, 13090221), (3, 4363407), (9, 1454469), (17, 770013), (19, 688959), (27, 484823), (51, 256671), (57, 229653), (79, 165699), (153, 85557), (171, 76551), (237, 55233), (323, 40527), (361, 36261), (459, 28519), (513, 25517), (711, 18411), (969, 13509), (1083, 12087), (1343, 9747), (1501, 8721), (2133, 6137), (2907, 4503), (3249, 4029)]