202128885

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1999}}^1$

素因数の和:2127

約数の個数: 64

約数和(自身を含む): 414720000

約数和(自身を除く): 212591115

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 107, 135, 189, 315, 321, 535, 749, 945, 963, 1605, 1999, 2247, 2889, 3745, 4815, 5997, 6741, 9995, 11235, 13993, 14445, 17991, 20223, 29985, 33705, 41979, 53973, 69965, 89955, 101115, 125937, 209895, 213893, 269865, 377811, 629685, 641679, 1069465, 1497251, 1889055, 1925037, 3208395, 4491753, 5775111, 7486255, 9625185, 13475259, 22458765, 28875555, 40425777, 67376295, 202128885]

約数ペア:

[(1, 202128885), (3, 67376295), (5, 40425777), (7, 28875555), (9, 22458765), (15, 13475259), (21, 9625185), (27, 7486255), (35, 5775111), (45, 4491753), (63, 3208395), (105, 1925037), (107, 1889055), (135, 1497251), (189, 1069465), (315, 641679), (321, 629685), (535, 377811), (749, 269865), (945, 213893), (963, 209895), (1605, 125937), (1999, 101115), (2247, 89955), (2889, 69965), (3745, 53973), (4815, 41979), (5997, 33705), (6741, 29985), (9995, 20223), (11235, 17991), (13993, 14445)]