81554382

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{49789}}^1$

素因数の和:49817

約数の個数: 48

約数和(自身を含む): 217482720

約数和(自身を除く): 135928338

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1638, 49789, 99578, 149367, 298734, 348523, 448101, 647257, 697046, 896202, 1045569, 1294514, 1941771, 2091138, 3136707, 3883542, 4530799, 5825313, 6273414, 9061598, 11650626, 13592397, 27184794, 40777191, 81554382]

約数ペア:

[(1, 81554382), (2, 40777191), (3, 27184794), (6, 13592397), (7, 11650626), (9, 9061598), (13, 6273414), (14, 5825313), (18, 4530799), (21, 3883542), (26, 3136707), (39, 2091138), (42, 1941771), (63, 1294514), (78, 1045569), (91, 896202), (117, 697046), (126, 647257), (182, 448101), (234, 348523), (273, 298734), (546, 149367), (819, 99578), (1638, 49789)]