68505525

素因数分解:

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

素因数の和:427

約数の個数: 72

約数和(自身を含む): 135794880

約数和(自身を除く): 67289355

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 89, 99, 165, 225, 267, 275, 311, 445, 495, 801, 825, 933, 979, 1335, 1555, 2225, 2475, 2799, 2937, 3421, 4005, 4665, 4895, 6675, 7775, 8811, 10263, 13995, 14685, 17105, 20025, 23325, 24475, 27679, 30789, 44055, 51315, 69975, 73425, 83037, 85525, 138395, 153945, 220275, 249111, 256575, 304469, 415185, 691975, 769725, 913407, 1245555, 1522345, 2075925, 2740221, 4567035, 6227775, 7611725, 13701105, 22835175, 68505525]

約数ペア:

[(1, 68505525), (3, 22835175), (5, 13701105), (9, 7611725), (11, 6227775), (15, 4567035), (25, 2740221), (33, 2075925), (45, 1522345), (55, 1245555), (75, 913407), (89, 769725), (99, 691975), (165, 415185), (225, 304469), (267, 256575), (275, 249111), (311, 220275), (445, 153945), (495, 138395), (801, 85525), (825, 83037), (933, 73425), (979, 69975), (1335, 51315), (1555, 44055), (2225, 30789), (2475, 27679), (2799, 24475), (2937, 23325), (3421, 20025), (4005, 17105), (4665, 14685), (4895, 13995), (6675, 10263), (7775, 8811)]