7668213

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:257

約数の個数: 32

約数和(自身を含む): 12257280

約数和(自身を除く): 4589067

約数列:

[1, 3, 7, 21, 37, 71, 111, 139, 213, 259, 417, 497, 777, 973, 1491, 2627, 2919, 5143, 7881, 9869, 15429, 18389, 29607, 36001, 55167, 69083, 108003, 207249, 365153, 1095459, 2556071, 7668213]

約数ペア:

[(1, 7668213), (3, 2556071), (7, 1095459), (21, 365153), (37, 207249), (71, 108003), (111, 69083), (139, 55167), (213, 36001), (259, 29607), (417, 18389), (497, 15429), (777, 9869), (973, 7881), (1491, 5143), (2627, 2919)]