16948665

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{461}}^1$

素因数の和:534

約数の個数: 48

約数和(自身を含む): 31711680

約数和(自身を除く): 14763015

約数列:

[1, 3, 5, 9, 15, 19, 43, 45, 57, 95, 129, 171, 215, 285, 387, 461, 645, 817, 855, 1383, 1935, 2305, 2451, 4085, 4149, 6915, 7353, 8759, 12255, 19823, 20745, 26277, 36765, 43795, 59469, 78831, 99115, 131385, 178407, 297345, 376637, 394155, 892035, 1129911, 1883185, 3389733, 5649555, 16948665]

約数ペア:

[(1, 16948665), (3, 5649555), (5, 3389733), (9, 1883185), (15, 1129911), (19, 892035), (43, 394155), (45, 376637), (57, 297345), (95, 178407), (129, 131385), (171, 99115), (215, 78831), (285, 59469), (387, 43795), (461, 36765), (645, 26277), (817, 20745), (855, 19823), (1383, 12255), (1935, 8759), (2305, 7353), (2451, 6915), (4085, 4149)]