40408641

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{49339}}^1$

素因数の和:49365

約数の個数: 24

約数和(自身を含む): 71839040

約数和(自身を除く): 31430399

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 49339, 148017, 345373, 444051, 641407, 1036119, 1924221, 3108357, 4489849, 5772663, 13469547, 40408641]

約数ペア:

[(1, 40408641), (3, 13469547), (7, 5772663), (9, 4489849), (13, 3108357), (21, 1924221), (39, 1036119), (63, 641407), (91, 444051), (117, 345373), (273, 148017), (819, 49339)]