128386839

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{3361}}^1$

素因数の和:3495

約数の個数: 32

約数和(自身を含む): 209143296

約数和(自身を除く): 80756457

約数列:

[1, 3, 7, 17, 21, 51, 107, 119, 321, 357, 749, 1819, 2247, 3361, 5457, 10083, 12733, 23527, 38199, 57137, 70581, 171411, 359627, 399959, 1078881, 1199877, 2517389, 6113659, 7552167, 18340977, 42795613, 128386839]

約数ペア:

[(1, 128386839), (3, 42795613), (7, 18340977), (17, 7552167), (21, 6113659), (51, 2517389), (107, 1199877), (119, 1078881), (321, 399959), (357, 359627), (749, 171411), (1819, 70581), (2247, 57137), (3361, 38199), (5457, 23527), (10083, 12733)]