138974703

素因数分解:

$3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1\times {\mathrm{487}}^1$

素因数の和:731

約数の個数: 32

約数和(自身を含む): 215875584

約数和(自身を除く): 76900881

約数列:

[1, 3, 7, 21, 107, 127, 321, 381, 487, 749, 889, 1461, 2247, 2667, 3409, 10227, 13589, 40767, 52109, 61849, 95123, 156327, 185547, 285369, 364763, 432943, 1094289, 1298829, 6617843, 19853529, 46324901, 138974703]

約数ペア:

[(1, 138974703), (3, 46324901), (7, 19853529), (21, 6617843), (107, 1298829), (127, 1094289), (321, 432943), (381, 364763), (487, 285369), (749, 185547), (889, 156327), (1461, 95123), (2247, 61849), (2667, 52109), (3409, 40767), (10227, 13589)]