208810119

素因数分解:

$3^1\times 7^2\times {\mathrm{317}}^1\times {\mathrm{4481}}^1$

素因数の和:4815

約数の個数: 24

約数和(自身を含む): 324962928

約数和(自身を除く): 116152809

約数列:

[1, 3, 7, 21, 49, 147, 317, 951, 2219, 4481, 6657, 13443, 15533, 31367, 46599, 94101, 219569, 658707, 1420477, 4261431, 9943339, 29830017, 69603373, 208810119]

約数ペア:

[(1, 208810119), (3, 69603373), (7, 29830017), (21, 9943339), (49, 4261431), (147, 1420477), (317, 658707), (951, 219569), (2219, 94101), (4481, 46599), (6657, 31367), (13443, 15533)]