55581981

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{2789}}^1$

素因数の和:2885

約数の個数: 32

約数和(自身を含む): 92494080

約数和(自身を除く): 36912099

約数列:

[1, 3, 7, 13, 21, 39, 73, 91, 219, 273, 511, 949, 1533, 2789, 2847, 6643, 8367, 19523, 19929, 36257, 58569, 108771, 203597, 253799, 610791, 761397, 1425179, 2646761, 4275537, 7940283, 18527327, 55581981]

約数ペア:

[(1, 55581981), (3, 18527327), (7, 7940283), (13, 4275537), (21, 2646761), (39, 1425179), (73, 761397), (91, 610791), (219, 253799), (273, 203597), (511, 108771), (949, 58569), (1533, 36257), (2789, 19929), (2847, 19523), (6643, 8367)]