85686975

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{389}}^1$

素因数の和:505

約数の個数: 72

約数和(自身を含む): 169743600

約数和(自身を除く): 84056625

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 89, 99, 165, 225, 267, 275, 389, 445, 495, 801, 825, 979, 1167, 1335, 1945, 2225, 2475, 2937, 3501, 4005, 4279, 4895, 5835, 6675, 8811, 9725, 12837, 14685, 17505, 20025, 21395, 24475, 29175, 34621, 38511, 44055, 64185, 73425, 87525, 103863, 106975, 173105, 192555, 220275, 311589, 320925, 380831, 519315, 865525, 962775, 1142493, 1557945, 1904155, 2596575, 3427479, 5712465, 7789725, 9520775, 17137395, 28562325, 85686975]

約数ペア:

[(1, 85686975), (3, 28562325), (5, 17137395), (9, 9520775), (11, 7789725), (15, 5712465), (25, 3427479), (33, 2596575), (45, 1904155), (55, 1557945), (75, 1142493), (89, 962775), (99, 865525), (165, 519315), (225, 380831), (267, 320925), (275, 311589), (389, 220275), (445, 192555), (495, 173105), (801, 106975), (825, 103863), (979, 87525), (1167, 73425), (1335, 64185), (1945, 44055), (2225, 38511), (2475, 34621), (2937, 29175), (3501, 24475), (4005, 21395), (4279, 20025), (4895, 17505), (5835, 14685), (6675, 12837), (8811, 9725)]