15125957

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1$

素因数の和:262

約数の個数: 32

約数和(自身を含む): 20352000

約数和(自身を除く): 5226043

約数列:

[1, 7, 11, 19, 49, 77, 133, 209, 211, 343, 539, 931, 1463, 1477, 2321, 3773, 4009, 6517, 10241, 10339, 16247, 28063, 44099, 71687, 72373, 113729, 196441, 308693, 796103, 1375087, 2160851, 15125957]

約数ペア:

[(1, 15125957), (7, 2160851), (11, 1375087), (19, 796103), (49, 308693), (77, 196441), (133, 113729), (209, 72373), (211, 71687), (343, 44099), (539, 28063), (931, 16247), (1463, 10339), (1477, 10241), (2321, 6517), (3773, 4009)]