128523915

素因数分解:

$3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:215

約数の個数: 96

約数和(自身を含む): 254392320

約数和(自身を除く): 125868405

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 79, 81, 103, 117, 135, 195, 237, 243, 309, 351, 395, 405, 515, 585, 711, 927, 1027, 1053, 1185, 1215, 1339, 1545, 1755, 2133, 2781, 3081, 3159, 3555, 4017, 4635, 5135, 5265, 6399, 6695, 8137, 8343, 9243, 10665, 12051, 13905, 15405, 15795, 19197, 20085, 24411, 25029, 27729, 31995, 36153, 40685, 41715, 46215, 60255, 73233, 83187, 95985, 105781, 108459, 122055, 125145, 138645, 180765, 219699, 249561, 317343, 325377, 366165, 415935, 528905, 542295, 659097, 952029, 1098495, 1247805, 1586715, 1626885, 1977291, 2856087, 3295485, 4760145, 8568261, 9886455, 14280435, 25704783, 42841305, 128523915]

約数ペア:

[(1, 128523915), (3, 42841305), (5, 25704783), (9, 14280435), (13, 9886455), (15, 8568261), (27, 4760145), (39, 3295485), (45, 2856087), (65, 1977291), (79, 1626885), (81, 1586715), (103, 1247805), (117, 1098495), (135, 952029), (195, 659097), (237, 542295), (243, 528905), (309, 415935), (351, 366165), (395, 325377), (405, 317343), (515, 249561), (585, 219699), (711, 180765), (927, 138645), (1027, 125145), (1053, 122055), (1185, 108459), (1215, 105781), (1339, 95985), (1545, 83187), (1755, 73233), (2133, 60255), (2781, 46215), (3081, 41715), (3159, 40685), (3555, 36153), (4017, 31995), (4635, 27729), (5135, 25029), (5265, 24411), (6399, 20085), (6695, 19197), (8137, 15795), (8343, 15405), (9243, 13905), (10665, 12051)]