51719451

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^2\times {\mathrm{257}}^1$

素因数の和:348

約数の個数: 36

約数和(自身を含む): 82765368

約数和(自身を除く): 31045917

約数列:

[1, 3, 7, 21, 37, 49, 111, 147, 257, 259, 771, 777, 1369, 1799, 1813, 4107, 5397, 5439, 9509, 9583, 12593, 28527, 28749, 37779, 66563, 67081, 199689, 201243, 351833, 465941, 1055499, 1397823, 2462831, 7388493, 17239817, 51719451]

約数ペア:

[(1, 51719451), (3, 17239817), (7, 7388493), (21, 2462831), (37, 1397823), (49, 1055499), (111, 465941), (147, 351833), (257, 201243), (259, 199689), (771, 67081), (777, 66563), (1369, 37779), (1799, 28749), (1813, 28527), (4107, 12593), (5397, 9583), (5439, 9509)]