2161280001

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^2\times {\mathrm{27697}}^1$

素因数の和:27793

約数の個数: 24

約数和(自身を含む): 3117686880

約数和(自身を除く): 956406879

約数列:

[1, 3, 19, 37, 57, 111, 703, 1369, 2109, 4107, 26011, 27697, 78033, 83091, 526243, 1024789, 1578729, 3074367, 19470991, 37917193, 58412973, 113751579, 720426667, 2161280001]

約数ペア:

[(1, 2161280001), (3, 720426667), (19, 113751579), (37, 58412973), (57, 37917193), (111, 19470991), (703, 3074367), (1369, 1578729), (2109, 1024789), (4107, 526243), (26011, 83091), (27697, 78033)]