1313865

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:158

約数の個数: 48

約数和(自身を含む): 2690688

約数和(自身を除く): 1376823

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 43, 45, 63, 97, 105, 129, 215, 291, 301, 315, 387, 485, 645, 679, 873, 903, 1455, 1505, 1935, 2037, 2709, 3395, 4171, 4365, 4515, 6111, 10185, 12513, 13545, 20855, 29197, 30555, 37539, 62565, 87591, 145985, 187695, 262773, 437955, 1313865]

約数ペア:

[(1, 1313865), (3, 437955), (5, 262773), (7, 187695), (9, 145985), (15, 87591), (21, 62565), (35, 37539), (43, 30555), (45, 29197), (63, 20855), (97, 13545), (105, 12513), (129, 10185), (215, 6111), (291, 4515), (301, 4365), (315, 4171), (387, 3395), (485, 2709), (645, 2037), (679, 1935), (873, 1505), (903, 1455)]