26535327

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{71}}^1$

素因数の和:168

約数の個数: 48

約数和(自身を含む): 45384192

約数和(自身を除く): 18848865

約数列:

[1, 3, 7, 13, 21, 37, 39, 71, 91, 111, 213, 259, 273, 481, 497, 777, 923, 1369, 1443, 1491, 2627, 2769, 3367, 4107, 6461, 7881, 9583, 10101, 17797, 18389, 19383, 28749, 34151, 53391, 55167, 97199, 102453, 124579, 239057, 291597, 373737, 680393, 717171, 1263587, 2041179, 3790761, 8845109, 26535327]

約数ペア:

[(1, 26535327), (3, 8845109), (7, 3790761), (13, 2041179), (21, 1263587), (37, 717171), (39, 680393), (71, 373737), (91, 291597), (111, 239057), (213, 124579), (259, 102453), (273, 97199), (481, 55167), (497, 53391), (777, 34151), (923, 28749), (1369, 19383), (1443, 18389), (1491, 17797), (2627, 10101), (2769, 9583), (3367, 7881), (4107, 6461)]