208897377

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{1933}}^1$

素因数の和:2129

約数の個数: 32

約数和(自身を含む): 319713408

約数和(自身を除く): 110816031

約数列:

[1, 3, 13, 17, 39, 51, 163, 221, 489, 663, 1933, 2119, 2771, 5799, 6357, 8313, 25129, 32861, 36023, 75387, 98583, 108069, 315079, 427193, 945237, 1281579, 4096027, 5356343, 12288081, 16069029, 69632459, 208897377]

約数ペア:

[(1, 208897377), (3, 69632459), (13, 16069029), (17, 12288081), (39, 5356343), (51, 4096027), (163, 1281579), (221, 945237), (489, 427193), (663, 315079), (1933, 108069), (2119, 98583), (2771, 75387), (5799, 36023), (6357, 32861), (8313, 25129)]