1286883

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{647}}^1$

素因数の和:683

約数の個数: 24

約数和(自身を含む): 2122848

約数和(自身を除く): 835965

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 647, 663, 1941, 1989, 5823, 8411, 10999, 25233, 32997, 75699, 98991, 142987, 428961, 1286883]

約数ペア:

[(1, 1286883), (3, 428961), (9, 142987), (13, 98991), (17, 75699), (39, 32997), (51, 25233), (117, 10999), (153, 8411), (221, 5823), (647, 1989), (663, 1941)]