128528127

素因数分解:

$3^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:139

約数の個数: 120

約数和(自身を含む): 250278336

約数和(自身を除く): 121750209

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 47, 49, 53, 63, 81, 91, 117, 141, 147, 159, 189, 273, 329, 351, 371, 423, 441, 477, 567, 611, 637, 689, 819, 987, 1053, 1113, 1269, 1323, 1431, 1833, 1911, 2067, 2303, 2457, 2491, 2597, 2961, 3339, 3807, 3969, 4277, 4293, 4823, 5499, 5733, 6201, 6909, 7371, 7473, 7791, 8883, 10017, 12831, 14469, 16497, 17199, 17437, 18603, 20727, 22419, 23373, 26649, 29939, 30051, 32383, 33761, 38493, 43407, 49491, 51597, 52311, 55809, 62181, 67257, 70119, 89817, 97149, 101283, 115479, 122059, 130221, 156933, 186543, 201771, 210357, 226681, 269451, 291447, 303849, 346437, 366177, 390663, 470799, 680043, 808353, 874341, 911547, 1098531, 1412397, 1586767, 2040129, 2425059, 2623023, 2734641, 3295593, 4760301, 6120387, 9886779, 14280903, 18361161, 42842709, 128528127]

約数ペア:

[(1, 128528127), (3, 42842709), (7, 18361161), (9, 14280903), (13, 9886779), (21, 6120387), (27, 4760301), (39, 3295593), (47, 2734641), (49, 2623023), (53, 2425059), (63, 2040129), (81, 1586767), (91, 1412397), (117, 1098531), (141, 911547), (147, 874341), (159, 808353), (189, 680043), (273, 470799), (329, 390663), (351, 366177), (371, 346437), (423, 303849), (441, 291447), (477, 269451), (567, 226681), (611, 210357), (637, 201771), (689, 186543), (819, 156933), (987, 130221), (1053, 122059), (1113, 115479), (1269, 101283), (1323, 97149), (1431, 89817), (1833, 70119), (1911, 67257), (2067, 62181), (2303, 55809), (2457, 52311), (2491, 51597), (2597, 49491), (2961, 43407), (3339, 38493), (3807, 33761), (3969, 32383), (4277, 30051), (4293, 29939), (4823, 26649), (5499, 23373), (5733, 22419), (6201, 20727), (6909, 18603), (7371, 17437), (7473, 17199), (7791, 16497), (8883, 14469), (10017, 12831)]