7905681

素因数分解:

$3^4\times 7^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1$

素因数の和:283

約数の個数: 40

約数和(自身を含む): 13753344

約数和(自身を除く): 5847663

約数列:

[1, 3, 7, 9, 21, 27, 63, 73, 81, 189, 191, 219, 511, 567, 573, 657, 1337, 1533, 1719, 1971, 4011, 4599, 5157, 5913, 12033, 13797, 13943, 15471, 36099, 41391, 41829, 97601, 108297, 125487, 292803, 376461, 878409, 1129383, 2635227, 7905681]

約数ペア:

[(1, 7905681), (3, 2635227), (7, 1129383), (9, 878409), (21, 376461), (27, 292803), (63, 125487), (73, 108297), (81, 97601), (189, 41829), (191, 41391), (219, 36099), (511, 15471), (567, 13943), (573, 13797), (657, 12033), (1337, 5913), (1533, 5157), (1719, 4599), (1971, 4011)]