2863287

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{967}}^1$

素因数の和:1027

約数の個数: 24

約数和(自身を含む): 4832256

約数和(自身を除く): 1968969

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 967, 987, 2901, 2961, 6769, 8703, 20307, 45449, 60921, 136347, 318143, 409041, 954429, 2863287]

約数ペア:

[(1, 2863287), (3, 954429), (7, 409041), (9, 318143), (21, 136347), (47, 60921), (63, 45449), (141, 20307), (329, 8703), (423, 6769), (967, 2961), (987, 2901)]