2465991

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1$

素因数の和:81

約数の個数: 48

約数和(自身を含む): 4389120

約数和(自身を除く): 1923129

約数列:

[1, 3, 9, 11, 19, 23, 27, 33, 57, 69, 99, 171, 207, 209, 253, 297, 361, 437, 513, 621, 627, 759, 1083, 1311, 1881, 2277, 3249, 3933, 3971, 4807, 5643, 6831, 8303, 9747, 11799, 11913, 14421, 24909, 35739, 43263, 74727, 91333, 107217, 129789, 224181, 273999, 821997, 2465991]

約数ペア:

[(1, 2465991), (3, 821997), (9, 273999), (11, 224181), (19, 129789), (23, 107217), (27, 91333), (33, 74727), (57, 43263), (69, 35739), (99, 24909), (171, 14421), (207, 11913), (209, 11799), (253, 9747), (297, 8303), (361, 6831), (437, 5643), (513, 4807), (621, 3971), (627, 3933), (759, 3249), (1083, 2277), (1311, 1881)]