219481605

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{1087}}^1$

素因数の和:1746

約数の個数: 48

約数和(自身を含む): 435861504

約数和(自身を除く): 216379899

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 641, 1087, 1923, 3205, 3261, 4487, 5435, 5769, 7609, 9615, 9783, 13461, 16305, 22435, 22827, 28845, 38045, 40383, 48915, 67305, 68481, 114135, 201915, 342405, 696767, 2090301, 3483835, 4877369, 6270903, 10451505, 14632107, 24386845, 31354515, 43896321, 73160535, 219481605]

約数ペア:

[(1, 219481605), (3, 73160535), (5, 43896321), (7, 31354515), (9, 24386845), (15, 14632107), (21, 10451505), (35, 6270903), (45, 4877369), (63, 3483835), (105, 2090301), (315, 696767), (641, 342405), (1087, 201915), (1923, 114135), (3205, 68481), (3261, 67305), (4487, 48915), (5435, 40383), (5769, 38045), (7609, 28845), (9615, 22827), (9783, 22435), (13461, 16305)]