87561747

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1$

素因数の和:393

約数の個数: 96

約数和(自身を含む): 174021120

約数和(自身を除く): 86459373

約数列:

[1, 3, 7, 9, 13, 17, 19, 21, 39, 51, 57, 63, 91, 117, 119, 133, 153, 171, 221, 247, 273, 323, 331, 357, 399, 663, 741, 819, 969, 993, 1071, 1197, 1547, 1729, 1989, 2223, 2261, 2317, 2907, 2979, 4199, 4303, 4641, 5187, 5627, 6289, 6783, 6951, 12597, 12909, 13923, 15561, 16881, 18867, 20349, 20853, 29393, 30121, 37791, 38727, 39389, 44023, 50643, 56601, 73151, 81757, 88179, 90363, 106913, 118167, 132069, 219453, 245271, 264537, 271089, 320739, 354501, 396207, 512057, 572299, 658359, 735813, 748391, 962217, 1389869, 1536171, 1716897, 2245173, 4169607, 4608513, 5150691, 6735519, 9729083, 12508821, 29187249, 87561747]

約数ペア:

[(1, 87561747), (3, 29187249), (7, 12508821), (9, 9729083), (13, 6735519), (17, 5150691), (19, 4608513), (21, 4169607), (39, 2245173), (51, 1716897), (57, 1536171), (63, 1389869), (91, 962217), (117, 748391), (119, 735813), (133, 658359), (153, 572299), (171, 512057), (221, 396207), (247, 354501), (273, 320739), (323, 271089), (331, 264537), (357, 245271), (399, 219453), (663, 132069), (741, 118167), (819, 106913), (969, 90363), (993, 88179), (1071, 81757), (1197, 73151), (1547, 56601), (1729, 50643), (1989, 44023), (2223, 39389), (2261, 38727), (2317, 37791), (2907, 30121), (2979, 29393), (4199, 20853), (4303, 20349), (4641, 18867), (5187, 16881), (5627, 15561), (6289, 13923), (6783, 12909), (6951, 12597)]