164640357

素因数分解:

$3^4\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2089}}^1$

素因数の和:2247

約数の個数: 40

約数和(自身を含む): 283236800

約数和(自身を除く): 118596443

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 139, 189, 417, 567, 973, 1251, 2089, 2919, 3753, 6267, 8757, 11259, 14623, 18801, 26271, 43869, 56403, 78813, 131607, 169209, 290371, 394821, 871113, 1184463, 2032597, 2613339, 6097791, 7840017, 18293373, 23520051, 54880119, 164640357]

約数ペア:

[(1, 164640357), (3, 54880119), (7, 23520051), (9, 18293373), (21, 7840017), (27, 6097791), (63, 2613339), (81, 2032597), (139, 1184463), (189, 871113), (417, 394821), (567, 290371), (973, 169209), (1251, 131607), (2089, 78813), (2919, 56403), (3753, 43869), (6267, 26271), (8757, 18801), (11259, 14623)]