3988467

素因数分解:

$3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{449}}^1$

素因数の和:512

約数の個数: 32

約数和(自身を含む): 6912000

約数和(自身を除く): 2923533

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 141, 189, 329, 423, 449, 987, 1269, 1347, 2961, 3143, 4041, 8883, 9429, 12123, 21103, 28287, 63309, 84861, 147721, 189927, 443163, 569781, 1329489, 3988467]

約数ペア:

[(1, 3988467), (3, 1329489), (7, 569781), (9, 443163), (21, 189927), (27, 147721), (47, 84861), (63, 63309), (141, 28287), (189, 21103), (329, 12123), (423, 9429), (449, 8883), (987, 4041), (1269, 3143), (1347, 2961)]