81217125

素因数分解:

$3^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{6563}}^1$

素因数の和:6595

約数の個数: 48

約数和(自身を含む): 159741504

約数和(自身を除く): 78524379

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 125, 165, 225, 275, 375, 495, 825, 1125, 1375, 2475, 4125, 6563, 12375, 19689, 32815, 59067, 72193, 98445, 164075, 216579, 295335, 360965, 492225, 649737, 820375, 1082895, 1476675, 1804825, 2461125, 3248685, 5414475, 7383375, 9024125, 16243425, 27072375, 81217125]

約数ペア:

[(1, 81217125), (3, 27072375), (5, 16243425), (9, 9024125), (11, 7383375), (15, 5414475), (25, 3248685), (33, 2461125), (45, 1804825), (55, 1476675), (75, 1082895), (99, 820375), (125, 649737), (165, 492225), (225, 360965), (275, 295335), (375, 216579), (495, 164075), (825, 98445), (1125, 72193), (1375, 59067), (2475, 32815), (4125, 19689), (6563, 12375)]