2144805

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{647}}^1$

素因数の和:685

約数の個数: 32

約数和(自身を含む): 3919104

約数和(自身を除く): 1774299

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 647, 663, 1105, 1941, 3235, 3315, 8411, 9705, 10999, 25233, 32997, 42055, 54995, 126165, 142987, 164985, 428961, 714935, 2144805]

約数ペア:

[(1, 2144805), (3, 714935), (5, 428961), (13, 164985), (15, 142987), (17, 126165), (39, 54995), (51, 42055), (65, 32997), (85, 25233), (195, 10999), (221, 9705), (255, 8411), (647, 3315), (663, 3235), (1105, 1941)]