205516575

素因数分解:

$3^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{311}}^1$

素因数の和:430

約数の個数: 96

約数和(自身を含む): 417830400

約数和(自身を除く): 212313825

約数列:

[1, 3, 5, 9, 11, 15, 25, 27, 33, 45, 55, 75, 89, 99, 135, 165, 225, 267, 275, 297, 311, 445, 495, 675, 801, 825, 933, 979, 1335, 1485, 1555, 2225, 2403, 2475, 2799, 2937, 3421, 4005, 4665, 4895, 6675, 7425, 7775, 8397, 8811, 10263, 12015, 13995, 14685, 17105, 20025, 23325, 24475, 26433, 27679, 30789, 41985, 44055, 51315, 60075, 69975, 73425, 83037, 85525, 92367, 132165, 138395, 153945, 209925, 220275, 249111, 256575, 304469, 415185, 461835, 660825, 691975, 747333, 769725, 913407, 1245555, 1522345, 2075925, 2309175, 2740221, 3736665, 4567035, 6227775, 7611725, 8220663, 13701105, 18683325, 22835175, 41103315, 68505525, 205516575]

約数ペア:

[(1, 205516575), (3, 68505525), (5, 41103315), (9, 22835175), (11, 18683325), (15, 13701105), (25, 8220663), (27, 7611725), (33, 6227775), (45, 4567035), (55, 3736665), (75, 2740221), (89, 2309175), (99, 2075925), (135, 1522345), (165, 1245555), (225, 913407), (267, 769725), (275, 747333), (297, 691975), (311, 660825), (445, 461835), (495, 415185), (675, 304469), (801, 256575), (825, 249111), (933, 220275), (979, 209925), (1335, 153945), (1485, 138395), (1555, 132165), (2225, 92367), (2403, 85525), (2475, 83037), (2799, 73425), (2937, 69975), (3421, 60075), (4005, 51315), (4665, 44055), (4895, 41985), (6675, 30789), (7425, 27679), (7775, 26433), (8397, 24475), (8811, 23325), (10263, 20025), (12015, 17105), (13995, 14685)]