1687257

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:75

約数の個数: 64

約数和(自身を含む): 3225600

約数和(自身を除く): 1538343

約数列:

[1, 3, 9, 11, 13, 19, 23, 27, 33, 39, 57, 69, 99, 117, 143, 171, 207, 209, 247, 253, 297, 299, 351, 429, 437, 513, 621, 627, 741, 759, 897, 1287, 1311, 1881, 2223, 2277, 2691, 2717, 3289, 3861, 3933, 4807, 5643, 5681, 6669, 6831, 8073, 8151, 9867, 11799, 14421, 17043, 24453, 29601, 43263, 51129, 62491, 73359, 88803, 129789, 153387, 187473, 562419, 1687257]

約数ペア:

[(1, 1687257), (3, 562419), (9, 187473), (11, 153387), (13, 129789), (19, 88803), (23, 73359), (27, 62491), (33, 51129), (39, 43263), (57, 29601), (69, 24453), (99, 17043), (117, 14421), (143, 11799), (171, 9867), (207, 8151), (209, 8073), (247, 6831), (253, 6669), (297, 5681), (299, 5643), (351, 4807), (429, 3933), (437, 3861), (513, 3289), (621, 2717), (627, 2691), (741, 2277), (759, 2223), (897, 1881), (1287, 1311)]