11965401

素因数分解:

$3^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{449}}^1$

素因数の和:515

約数の個数: 40

約数和(自身を含む): 20908800

約数和(自身を除く): 8943399

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 81, 141, 189, 329, 423, 449, 567, 987, 1269, 1347, 2961, 3143, 3807, 4041, 8883, 9429, 12123, 21103, 26649, 28287, 36369, 63309, 84861, 147721, 189927, 254583, 443163, 569781, 1329489, 1709343, 3988467, 11965401]

約数ペア:

[(1, 11965401), (3, 3988467), (7, 1709343), (9, 1329489), (21, 569781), (27, 443163), (47, 254583), (63, 189927), (81, 147721), (141, 84861), (189, 63309), (329, 36369), (423, 28287), (449, 26649), (567, 21103), (987, 12123), (1269, 9429), (1347, 8883), (2961, 4041), (3143, 3807)]