51127689

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{661}}^1$

素因数の和:765

約数の個数: 32

約数和(自身を含む): 76262400

約数和(自身を除く): 25134711

約数列:

[1, 3, 19, 23, 57, 59, 69, 177, 437, 661, 1121, 1311, 1357, 1983, 3363, 4071, 12559, 15203, 25783, 37677, 38999, 45609, 77349, 116997, 288857, 740981, 866571, 896977, 2222943, 2690931, 17042563, 51127689]

約数ペア:

[(1, 51127689), (3, 17042563), (19, 2690931), (23, 2222943), (57, 896977), (59, 866571), (69, 740981), (177, 288857), (437, 116997), (661, 77349), (1121, 45609), (1311, 38999), (1357, 37677), (1983, 25783), (3363, 15203), (4071, 12559)]