205502613

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:242

約数の個数: 64

約数和(自身を含む): 323481600

約数和(自身を除く): 117978987

約数列:

[1, 3, 17, 19, 29, 51, 57, 71, 87, 103, 213, 309, 323, 493, 551, 969, 1207, 1349, 1479, 1653, 1751, 1957, 2059, 2987, 3621, 4047, 5253, 5871, 6177, 7313, 8961, 9367, 21939, 22933, 28101, 33269, 35003, 39121, 50779, 56753, 68799, 99807, 105009, 117363, 124321, 138947, 152337, 170259, 212077, 372963, 416841, 636231, 665057, 964801, 1995171, 2362099, 2894403, 3605309, 4029463, 7086297, 10815927, 12088389, 68500871, 205502613]

約数ペア:

[(1, 205502613), (3, 68500871), (17, 12088389), (19, 10815927), (29, 7086297), (51, 4029463), (57, 3605309), (71, 2894403), (87, 2362099), (103, 1995171), (213, 964801), (309, 665057), (323, 636231), (493, 416841), (551, 372963), (969, 212077), (1207, 170259), (1349, 152337), (1479, 138947), (1653, 124321), (1751, 117363), (1957, 105009), (2059, 99807), (2987, 68799), (3621, 56753), (4047, 50779), (5253, 39121), (5871, 35003), (6177, 33269), (7313, 28101), (8961, 22933), (9367, 21939)]