40017663

素因数分解:

$3^2\times 7^2\times {\mathrm{103}}^1\times {\mathrm{881}}^1$

素因数の和:1004

約数の個数: 36

約数和(自身を含む): 67970448

約数和(自身を除く): 27952785

約数列:

[1, 3, 7, 9, 21, 49, 63, 103, 147, 309, 441, 721, 881, 927, 2163, 2643, 5047, 6167, 6489, 7929, 15141, 18501, 43169, 45423, 55503, 90743, 129507, 272229, 388521, 635201, 816687, 1905603, 4446407, 5716809, 13339221, 40017663]

約数ペア:

[(1, 40017663), (3, 13339221), (7, 5716809), (9, 4446407), (21, 1905603), (49, 816687), (63, 635201), (103, 388521), (147, 272229), (309, 129507), (441, 90743), (721, 55503), (881, 45423), (927, 43169), (2163, 18501), (2643, 15141), (5047, 7929), (6167, 6489)]