278345277

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{2087}}^1$

素因数の和:2202

約数の個数: 48

約数和(自身を含む): 482077440

約数和(自身を除く): 203732163

約数列:

[1, 3, 7, 9, 21, 29, 63, 73, 87, 203, 219, 261, 511, 609, 657, 1533, 1827, 2087, 2117, 4599, 6261, 6351, 14609, 14819, 18783, 19053, 43827, 44457, 60523, 131481, 133371, 152351, 181569, 423661, 457053, 544707, 1066457, 1270983, 1371159, 3199371, 3812949, 4418179, 9598113, 13254537, 30927253, 39763611, 92781759, 278345277]

約数ペア:

[(1, 278345277), (3, 92781759), (7, 39763611), (9, 30927253), (21, 13254537), (29, 9598113), (63, 4418179), (73, 3812949), (87, 3199371), (203, 1371159), (219, 1270983), (261, 1066457), (511, 544707), (609, 457053), (657, 423661), (1533, 181569), (1827, 152351), (2087, 133371), (2117, 131481), (4599, 60523), (6261, 44457), (6351, 43827), (14609, 19053), (14819, 18783)]