206631555

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1297}}^1$

素因数の和:1380

約数の個数: 64

約数和(自身を含む): 383792640

約数和(自身を除く): 177161085

約数列:

[1, 3, 5, 13, 15, 19, 39, 43, 57, 65, 95, 129, 195, 215, 247, 285, 559, 645, 741, 817, 1235, 1297, 1677, 2451, 2795, 3705, 3891, 4085, 6485, 8385, 10621, 12255, 16861, 19455, 24643, 31863, 50583, 53105, 55771, 73929, 84305, 123215, 159315, 167313, 252915, 278855, 320359, 369645, 725023, 836565, 961077, 1059649, 1601795, 2175069, 3178947, 3625115, 4805385, 5298245, 10875345, 13775437, 15894735, 41326311, 68877185, 206631555]

約数ペア:

[(1, 206631555), (3, 68877185), (5, 41326311), (13, 15894735), (15, 13775437), (19, 10875345), (39, 5298245), (43, 4805385), (57, 3625115), (65, 3178947), (95, 2175069), (129, 1601795), (195, 1059649), (215, 961077), (247, 836565), (285, 725023), (559, 369645), (645, 320359), (741, 278855), (817, 252915), (1235, 167313), (1297, 159315), (1677, 123215), (2451, 84305), (2795, 73929), (3705, 55771), (3891, 53105), (4085, 50583), (6485, 31863), (8385, 24643), (10621, 19455), (12255, 16861)]