218777625

素因数分解:

$3^3\times 5^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:189

約数の個数: 128

約数和(自身を含む): 452874240

約数和(自身を除く): 234096615

約数列:

[1, 3, 5, 9, 11, 15, 25, 27, 33, 45, 55, 71, 75, 83, 99, 125, 135, 165, 213, 225, 249, 275, 297, 355, 375, 415, 495, 639, 675, 747, 781, 825, 913, 1065, 1125, 1245, 1375, 1485, 1775, 1917, 2075, 2241, 2343, 2475, 2739, 3195, 3375, 3735, 3905, 4125, 4565, 5325, 5893, 6225, 7029, 7425, 8217, 8875, 9585, 10375, 11205, 11715, 12375, 13695, 15975, 17679, 18675, 19525, 21087, 22825, 24651, 26625, 29465, 31125, 35145, 37125, 41085, 47925, 53037, 56025, 58575, 64823, 68475, 79875, 88395, 93375, 97625, 105435, 114125, 123255, 147325, 159111, 175725, 194469, 205425, 239625, 265185, 280125, 292875, 324115, 342375, 441975, 527175, 583407, 616275, 736625, 795555, 878625, 972345, 1027125, 1325925, 1620575, 1750221, 2209875, 2635875, 2917035, 3081375, 3977775, 4861725, 6629625, 8102875, 8751105, 14585175, 19888875, 24308625, 43755525, 72925875, 218777625]

約数ペア:

[(1, 218777625), (3, 72925875), (5, 43755525), (9, 24308625), (11, 19888875), (15, 14585175), (25, 8751105), (27, 8102875), (33, 6629625), (45, 4861725), (55, 3977775), (71, 3081375), (75, 2917035), (83, 2635875), (99, 2209875), (125, 1750221), (135, 1620575), (165, 1325925), (213, 1027125), (225, 972345), (249, 878625), (275, 795555), (297, 736625), (355, 616275), (375, 583407), (415, 527175), (495, 441975), (639, 342375), (675, 324115), (747, 292875), (781, 280125), (825, 265185), (913, 239625), (1065, 205425), (1125, 194469), (1245, 175725), (1375, 159111), (1485, 147325), (1775, 123255), (1917, 114125), (2075, 105435), (2241, 97625), (2343, 93375), (2475, 88395), (2739, 79875), (3195, 68475), (3375, 64823), (3735, 58575), (3905, 56025), (4125, 53037), (4565, 47925), (5325, 41085), (5893, 37125), (6225, 35145), (7029, 31125), (7425, 29465), (8217, 26625), (8875, 24651), (9585, 22825), (10375, 21087), (11205, 19525), (11715, 18675), (12375, 17679), (13695, 15975)]