12793221

素因数分解:

$3^6\times 7^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:157

約数の個数: 56

約数和(自身を含む): 23084160

約数和(自身を除く): 10290939

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 81, 109, 161, 189, 207, 243, 327, 483, 567, 621, 729, 763, 981, 1449, 1701, 1863, 2289, 2507, 2943, 4347, 5103, 5589, 6867, 7521, 8829, 13041, 16767, 17549, 20601, 22563, 26487, 39123, 52647, 61803, 67689, 79461, 117369, 157941, 185409, 203067, 473823, 556227, 609201, 1421469, 1827603, 4264407, 12793221]

約数ペア:

[(1, 12793221), (3, 4264407), (7, 1827603), (9, 1421469), (21, 609201), (23, 556227), (27, 473823), (63, 203067), (69, 185409), (81, 157941), (109, 117369), (161, 79461), (189, 67689), (207, 61803), (243, 52647), (327, 39123), (483, 26487), (567, 22563), (621, 20601), (729, 17549), (763, 16767), (981, 13041), (1449, 8829), (1701, 7521), (1863, 6867), (2289, 5589), (2507, 5103), (2943, 4347)]