15972489

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{647}}^1$

素因数の和:877

約数の個数: 24

約数和(自身を含む): 25002432

約数和(自身を除く): 9029943

約数列:

[1, 3, 9, 13, 39, 117, 211, 633, 647, 1899, 1941, 2743, 5823, 8229, 8411, 24687, 25233, 75699, 136517, 409551, 1228653, 1774721, 5324163, 15972489]

約数ペア:

[(1, 15972489), (3, 5324163), (9, 1774721), (13, 1228653), (39, 409551), (117, 136517), (211, 75699), (633, 25233), (647, 24687), (1899, 8411), (1941, 8229), (2743, 5823)]