81222075

素因数分解:

$3^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{10939}}^1$

素因数の和:10969

約数の個数: 48

約数和(自身を含む): 162787200

約数和(自身を除く): 81565125

約数列:

[1, 3, 5, 9, 11, 15, 25, 27, 33, 45, 55, 75, 99, 135, 165, 225, 275, 297, 495, 675, 825, 1485, 2475, 7425, 10939, 32817, 54695, 98451, 120329, 164085, 273475, 295353, 360987, 492255, 601645, 820425, 1082961, 1476765, 1804935, 2461275, 3008225, 3248883, 5414805, 7383825, 9024675, 16244415, 27074025, 81222075]

約数ペア:

[(1, 81222075), (3, 27074025), (5, 16244415), (9, 9024675), (11, 7383825), (15, 5414805), (25, 3248883), (27, 3008225), (33, 2461275), (45, 1804935), (55, 1476765), (75, 1082961), (99, 820425), (135, 601645), (165, 492255), (225, 360987), (275, 295353), (297, 273475), (495, 164085), (675, 120329), (825, 98451), (1485, 54695), (2475, 32817), (7425, 10939)]