638029983357

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{8291}}^1\times {\mathrm{28597}}^1$

素因数の和:36930

約数の個数: 48

約数和(自身を含む): 1035804002688

約数和(自身を除く): 397774019331

約数列:

[1, 3, 9, 13, 23, 39, 69, 117, 207, 299, 897, 2691, 8291, 24873, 28597, 74619, 85791, 107783, 190693, 257373, 323349, 371761, 572079, 657731, 970047, 1115283, 1716237, 1973193, 2479009, 3345849, 5919579, 7437027, 8550503, 22311081, 25651509, 76954527, 237097727, 711293181, 2133879543, 3082270451, 5453247721, 9246811353, 16359743163, 27740434059, 49079229489, 70892220373, 212676661119, 638029983357]

約数ペア:

[(1, 638029983357), (3, 212676661119), (9, 70892220373), (13, 49079229489), (23, 27740434059), (39, 16359743163), (69, 9246811353), (117, 5453247721), (207, 3082270451), (299, 2133879543), (897, 711293181), (2691, 237097727), (8291, 76954527), (24873, 25651509), (28597, 22311081), (74619, 8550503), (85791, 7437027), (107783, 5919579), (190693, 3345849), (257373, 2479009), (323349, 1973193), (371761, 1716237), (572079, 1115283), (657731, 970047)]