75786921

素因数分解:

$3^4\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1831}}^1$

素因数の和:1923

約数の個数: 40

約数和(自身を含む): 131229824

約数和(自身を除く): 55442903

約数列:

[1, 3, 7, 9, 21, 27, 63, 73, 81, 189, 219, 511, 567, 657, 1533, 1831, 1971, 4599, 5493, 5913, 12817, 13797, 16479, 38451, 41391, 49437, 115353, 133663, 148311, 346059, 400989, 935641, 1038177, 1202967, 2806923, 3608901, 8420769, 10826703, 25262307, 75786921]

約数ペア:

[(1, 75786921), (3, 25262307), (7, 10826703), (9, 8420769), (21, 3608901), (27, 2806923), (63, 1202967), (73, 1038177), (81, 935641), (189, 400989), (219, 346059), (511, 148311), (567, 133663), (657, 115353), (1533, 49437), (1831, 41391), (1971, 38451), (4599, 16479), (5493, 13797), (5913, 12817)]