68017131

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:126

約数の個数: 128

約数和(自身を含む): 137625600

約数和(自身を除く): 69608469

約数列:

[1, 3, 7, 9, 13, 19, 21, 27, 31, 39, 47, 57, 63, 91, 93, 117, 133, 141, 171, 189, 217, 247, 273, 279, 329, 351, 399, 403, 423, 513, 589, 611, 651, 741, 819, 837, 893, 987, 1197, 1209, 1269, 1457, 1729, 1767, 1833, 1953, 2223, 2457, 2679, 2821, 2961, 3591, 3627, 4123, 4277, 4371, 5187, 5301, 5499, 5859, 6251, 6669, 7657, 8037, 8463, 8883, 10199, 10881, 11609, 12369, 12831, 13113, 15561, 15903, 16497, 18753, 18941, 22971, 24111, 25389, 27683, 30597, 34827, 37107, 38493, 39339, 46683, 53599, 56259, 56823, 68913, 76167, 81263, 83049, 91791, 104481, 111321, 115479, 132587, 160797, 168777, 170469, 193781, 206739, 243789, 249147, 275373, 313443, 359879, 397761, 482391, 511407, 581343, 731367, 747441, 1079637, 1193283, 1447173, 1744029, 2194101, 2519153, 3238911, 3579849, 5232087, 7557459, 9716733, 22672377, 68017131]

約数ペア:

[(1, 68017131), (3, 22672377), (7, 9716733), (9, 7557459), (13, 5232087), (19, 3579849), (21, 3238911), (27, 2519153), (31, 2194101), (39, 1744029), (47, 1447173), (57, 1193283), (63, 1079637), (91, 747441), (93, 731367), (117, 581343), (133, 511407), (141, 482391), (171, 397761), (189, 359879), (217, 313443), (247, 275373), (273, 249147), (279, 243789), (329, 206739), (351, 193781), (399, 170469), (403, 168777), (423, 160797), (513, 132587), (589, 115479), (611, 111321), (651, 104481), (741, 91791), (819, 83049), (837, 81263), (893, 76167), (987, 68913), (1197, 56823), (1209, 56259), (1269, 53599), (1457, 46683), (1729, 39339), (1767, 38493), (1833, 37107), (1953, 34827), (2223, 30597), (2457, 27683), (2679, 25389), (2821, 24111), (2961, 22971), (3591, 18941), (3627, 18753), (4123, 16497), (4277, 15903), (4371, 15561), (5187, 13113), (5301, 12831), (5499, 12369), (5859, 11609), (6251, 10881), (6669, 10199), (7657, 8883), (8037, 8463)]