2190825

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1$

素因数の和:143

約数の個数: 72

約数和(自身を含む): 4874688

約数和(自身を除く): 2683863

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 25, 35, 39, 45, 63, 65, 75, 91, 105, 107, 117, 175, 195, 225, 273, 315, 321, 325, 455, 525, 535, 585, 749, 819, 963, 975, 1365, 1391, 1575, 1605, 2247, 2275, 2675, 2925, 3745, 4095, 4173, 4815, 6741, 6825, 6955, 8025, 9737, 11235, 12519, 18725, 20475, 20865, 24075, 29211, 33705, 34775, 48685, 56175, 62595, 87633, 104325, 146055, 168525, 243425, 312975, 438165, 730275, 2190825]

約数ペア:

[(1, 2190825), (3, 730275), (5, 438165), (7, 312975), (9, 243425), (13, 168525), (15, 146055), (21, 104325), (25, 87633), (35, 62595), (39, 56175), (45, 48685), (63, 34775), (65, 33705), (75, 29211), (91, 24075), (105, 20865), (107, 20475), (117, 18725), (175, 12519), (195, 11235), (225, 9737), (273, 8025), (315, 6955), (321, 6825), (325, 6741), (455, 4815), (525, 4173), (535, 4095), (585, 3745), (749, 2925), (819, 2675), (963, 2275), (975, 2247), (1365, 1605), (1391, 1575)]