15821091

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{647}}^1$

素因数の和:696

約数の個数: 48

約数和(自身を含む): 28304640

約数和(自身を除く): 12483549

約数列:

[1, 3, 9, 11, 13, 19, 33, 39, 57, 99, 117, 143, 171, 209, 247, 429, 627, 647, 741, 1287, 1881, 1941, 2223, 2717, 5823, 7117, 8151, 8411, 12293, 21351, 24453, 25233, 36879, 64053, 75699, 92521, 110637, 135223, 159809, 277563, 405669, 479427, 832689, 1217007, 1438281, 1757899, 5273697, 15821091]

約数ペア:

[(1, 15821091), (3, 5273697), (9, 1757899), (11, 1438281), (13, 1217007), (19, 832689), (33, 479427), (39, 405669), (57, 277563), (99, 159809), (117, 135223), (143, 110637), (171, 92521), (209, 75699), (247, 64053), (429, 36879), (627, 25233), (647, 24453), (741, 21351), (1287, 12293), (1881, 8411), (1941, 8151), (2223, 7117), (2717, 5823)]