78861681

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{13337}}^1$

素因数の和:13422

約数の個数: 20

約数和(自身を含む): 119428452

約数和(自身を除く): 40566771

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 5913, 13337, 40011, 120033, 360099, 973601, 1080297, 2920803, 8762409, 26287227, 78861681]

約数ペア:

[(1, 78861681), (3, 26287227), (9, 8762409), (27, 2920803), (73, 1080297), (81, 973601), (219, 360099), (657, 120033), (1971, 40011), (5913, 13337)]