280608249

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1\times {\mathrm{173}}^1$

素因数の和:477

約数の個数: 32

約数和(自身を含む): 394481664

約数和(自身を除く): 113873415

約数列:

[1, 3, 31, 93, 107, 163, 173, 321, 489, 519, 3317, 5053, 5363, 9951, 15159, 16089, 17441, 18511, 28199, 52323, 55533, 84597, 540671, 573841, 874169, 1622013, 1721523, 2622507, 3017293, 9051879, 93536083, 280608249]

約数ペア:

[(1, 280608249), (3, 93536083), (31, 9051879), (93, 3017293), (107, 2622507), (163, 1721523), (173, 1622013), (321, 874169), (489, 573841), (519, 540671), (3317, 84597), (5053, 55533), (5363, 52323), (9951, 28199), (15159, 18511), (16089, 17441)]