210496419

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{227}}^1\times {\mathrm{359}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 358525440

約数和(自身を除く): 148029021

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 227, 287, 359, 369, 681, 861, 1077, 1589, 2043, 2513, 2583, 3231, 4767, 7539, 9307, 14301, 14719, 22617, 27921, 44157, 65149, 81493, 83763, 103033, 132471, 195447, 244479, 309099, 570451, 586341, 733437, 927297, 1711353, 3341213, 5134059, 10023639, 23388491, 30070917, 70165473, 210496419]

約数ペア:

[(1, 210496419), (3, 70165473), (7, 30070917), (9, 23388491), (21, 10023639), (41, 5134059), (63, 3341213), (123, 1711353), (227, 927297), (287, 733437), (359, 586341), (369, 570451), (681, 309099), (861, 244479), (1077, 195447), (1589, 132471), (2043, 103033), (2513, 83763), (2583, 81493), (3231, 65149), (4767, 44157), (7539, 27921), (9307, 22617), (14301, 14719)]