61427821

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1321}}^1$

素因数の和:1421

約数の個数: 24

約数和(自身を含む): 78066744

約数和(自身を除く): 16638923

約数列:

[1, 7, 13, 49, 73, 91, 511, 637, 949, 1321, 3577, 6643, 9247, 17173, 46501, 64729, 96433, 120211, 675031, 841477, 1253629, 4725217, 8775403, 61427821]

約数ペア:

[(1, 61427821), (7, 8775403), (13, 4725217), (49, 1253629), (73, 841477), (91, 675031), (511, 120211), (637, 96433), (949, 64729), (1321, 46501), (3577, 17173), (6643, 9247)]