81667575

素因数分解:

$3^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{647}}^1$

素因数の和:694

約数の個数: 96

約数和(自身を含む): 173560320

約数和(自身を除く): 91892745

約数列:

[1, 3, 5, 9, 11, 15, 17, 25, 27, 33, 45, 51, 55, 75, 85, 99, 135, 153, 165, 187, 225, 255, 275, 297, 425, 459, 495, 561, 647, 675, 765, 825, 935, 1275, 1485, 1683, 1941, 2295, 2475, 2805, 3235, 3825, 4675, 5049, 5823, 7117, 7425, 8415, 9705, 10999, 11475, 14025, 16175, 17469, 21351, 25245, 29115, 32997, 35585, 42075, 48525, 54995, 64053, 87345, 98991, 106755, 120989, 126225, 145575, 164985, 177925, 192159, 274975, 296973, 320265, 362967, 436725, 494955, 533775, 604945, 824925, 960795, 1088901, 1484865, 1601325, 1814835, 2474775, 3024725, 3266703, 4803975, 5444505, 7424325, 9074175, 16333515, 27222525, 81667575]

約数ペア:

[(1, 81667575), (3, 27222525), (5, 16333515), (9, 9074175), (11, 7424325), (15, 5444505), (17, 4803975), (25, 3266703), (27, 3024725), (33, 2474775), (45, 1814835), (51, 1601325), (55, 1484865), (75, 1088901), (85, 960795), (99, 824925), (135, 604945), (153, 533775), (165, 494955), (187, 436725), (225, 362967), (255, 320265), (275, 296973), (297, 274975), (425, 192159), (459, 177925), (495, 164985), (561, 145575), (647, 126225), (675, 120989), (765, 106755), (825, 98991), (935, 87345), (1275, 64053), (1485, 54995), (1683, 48525), (1941, 42075), (2295, 35585), (2475, 32997), (2805, 29115), (3235, 25245), (3825, 21351), (4675, 17469), (5049, 16175), (5823, 14025), (7117, 11475), (7425, 10999), (8415, 9705)]