81432945

素因数分解:

$3^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{677}}^1$

素因数の和:714

約数の個数: 64

約数和(自身を含む): 160116480

約数和(自身を除く): 78683535

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 135, 165, 243, 297, 405, 495, 677, 729, 891, 1215, 1485, 2031, 2187, 2673, 3385, 3645, 4455, 6093, 7447, 8019, 10155, 10935, 13365, 18279, 22341, 24057, 30465, 37235, 40095, 54837, 67023, 91395, 111705, 120285, 164511, 201069, 274185, 335115, 493533, 603207, 822555, 1005345, 1480599, 1809621, 2467665, 3016035, 5428863, 7402995, 9048105, 16286589, 27144315, 81432945]

約数ペア:

[(1, 81432945), (3, 27144315), (5, 16286589), (9, 9048105), (11, 7402995), (15, 5428863), (27, 3016035), (33, 2467665), (45, 1809621), (55, 1480599), (81, 1005345), (99, 822555), (135, 603207), (165, 493533), (243, 335115), (297, 274185), (405, 201069), (495, 164511), (677, 120285), (729, 111705), (891, 91395), (1215, 67023), (1485, 54837), (2031, 40095), (2187, 37235), (2673, 30465), (3385, 24057), (3645, 22341), (4455, 18279), (6093, 13365), (7447, 10935), (8019, 10155)]