556227

素因数分解:

$3^6\times 7^1\times {\mathrm{109}}^1$

素因数の和:134

約数の個数: 28

約数和(自身を含む): 961840

約数和(自身を除く): 405613

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 109, 189, 243, 327, 567, 729, 763, 981, 1701, 2289, 2943, 5103, 6867, 8829, 20601, 26487, 61803, 79461, 185409, 556227]

約数ペア:

[(1, 556227), (3, 185409), (7, 79461), (9, 61803), (21, 26487), (27, 20601), (63, 8829), (81, 6867), (109, 5103), (189, 2943), (243, 2289), (327, 1701), (567, 981), (729, 763)]