81043875

素因数分解:

$3^3\times 5^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:131

約数の個数: 128

約数和(自身を含む): 170726400

約数和(自身を除く): 89682525

約数列:

[1, 3, 5, 9, 11, 15, 25, 27, 33, 37, 45, 55, 59, 75, 99, 111, 125, 135, 165, 177, 185, 225, 275, 295, 297, 333, 375, 407, 495, 531, 555, 649, 675, 825, 885, 925, 999, 1125, 1221, 1375, 1475, 1485, 1593, 1665, 1947, 2035, 2183, 2475, 2655, 2775, 3245, 3375, 3663, 4125, 4425, 4625, 4995, 5841, 6105, 6549, 7375, 7425, 7965, 8325, 9735, 10175, 10915, 10989, 12375, 13275, 13875, 16225, 17523, 18315, 19647, 22125, 24013, 24975, 29205, 30525, 32745, 37125, 39825, 41625, 48675, 50875, 54575, 54945, 58941, 66375, 72039, 81125, 87615, 91575, 98235, 120065, 124875, 146025, 152625, 163725, 199125, 216117, 243375, 272875, 274725, 294705, 360195, 438075, 457875, 491175, 600325, 648351, 730125, 818625, 1080585, 1373625, 1473525, 1800975, 2190375, 2455875, 3001625, 3241755, 5402925, 7367625, 9004875, 16208775, 27014625, 81043875]

約数ペア:

[(1, 81043875), (3, 27014625), (5, 16208775), (9, 9004875), (11, 7367625), (15, 5402925), (25, 3241755), (27, 3001625), (33, 2455875), (37, 2190375), (45, 1800975), (55, 1473525), (59, 1373625), (75, 1080585), (99, 818625), (111, 730125), (125, 648351), (135, 600325), (165, 491175), (177, 457875), (185, 438075), (225, 360195), (275, 294705), (295, 274725), (297, 272875), (333, 243375), (375, 216117), (407, 199125), (495, 163725), (531, 152625), (555, 146025), (649, 124875), (675, 120065), (825, 98235), (885, 91575), (925, 87615), (999, 81125), (1125, 72039), (1221, 66375), (1375, 58941), (1475, 54945), (1485, 54575), (1593, 50875), (1665, 48675), (1947, 41625), (2035, 39825), (2183, 37125), (2475, 32745), (2655, 30525), (2775, 29205), (3245, 24975), (3375, 24013), (3663, 22125), (4125, 19647), (4425, 18315), (4625, 17523), (4995, 16225), (5841, 13875), (6105, 13275), (6549, 12375), (7375, 10989), (7425, 10915), (7965, 10175), (8325, 9735)]