2855979

素因数分解:

$3^5\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:118

約数の個数: 48

約数和(自身を含む): 5171712

約数和(自身を除く): 2315733

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 73, 81, 161, 189, 207, 219, 243, 483, 511, 567, 621, 657, 1449, 1533, 1679, 1701, 1863, 1971, 4347, 4599, 5037, 5589, 5913, 11753, 13041, 13797, 15111, 17739, 35259, 39123, 41391, 45333, 105777, 124173, 135999, 317331, 407997, 951993, 2855979]

約数ペア:

[(1, 2855979), (3, 951993), (7, 407997), (9, 317331), (21, 135999), (23, 124173), (27, 105777), (63, 45333), (69, 41391), (73, 39123), (81, 35259), (161, 17739), (189, 15111), (207, 13797), (219, 13041), (243, 11753), (483, 5913), (511, 5589), (567, 5037), (621, 4599), (657, 4347), (1449, 1971), (1533, 1863), (1679, 1701)]