7756875

素因数分解:

$3^2\times 5^4\times 7^1\times {\mathrm{197}}^1$

素因数の和:230

約数の個数: 60

約数和(自身を含む): 16082352

約数和(自身を除く): 8325477

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 125, 175, 197, 225, 315, 375, 525, 591, 625, 875, 985, 1125, 1379, 1575, 1773, 1875, 2625, 2955, 4137, 4375, 4925, 5625, 6895, 7875, 8865, 12411, 13125, 14775, 20685, 24625, 34475, 39375, 44325, 62055, 73875, 103425, 123125, 172375, 221625, 310275, 369375, 517125, 861875, 1108125, 1551375, 2585625, 7756875]

約数ペア:

[(1, 7756875), (3, 2585625), (5, 1551375), (7, 1108125), (9, 861875), (15, 517125), (21, 369375), (25, 310275), (35, 221625), (45, 172375), (63, 123125), (75, 103425), (105, 73875), (125, 62055), (175, 44325), (197, 39375), (225, 34475), (315, 24625), (375, 20685), (525, 14775), (591, 13125), (625, 12411), (875, 8865), (985, 7875), (1125, 6895), (1379, 5625), (1575, 4925), (1773, 4375), (1875, 4137), (2625, 2955)]