138826947

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{761}}^1$

素因数の和:868

約数の個数: 48

約数和(自身を含む): 231416352

約数和(自身を除く): 92589405

約数列:

[1, 3, 7, 17, 21, 49, 51, 73, 119, 147, 219, 357, 511, 761, 833, 1241, 1533, 2283, 2499, 3577, 3723, 5327, 8687, 10731, 12937, 15981, 26061, 37289, 38811, 55553, 60809, 90559, 111867, 166659, 182427, 271677, 388871, 633913, 944401, 1166613, 1901739, 2722097, 2833203, 6610807, 8166291, 19832421, 46275649, 138826947]

約数ペア:

[(1, 138826947), (3, 46275649), (7, 19832421), (17, 8166291), (21, 6610807), (49, 2833203), (51, 2722097), (73, 1901739), (119, 1166613), (147, 944401), (219, 633913), (357, 388871), (511, 271677), (761, 182427), (833, 166659), (1241, 111867), (1533, 90559), (2283, 60809), (2499, 55553), (3577, 38811), (3723, 37289), (5327, 26061), (8687, 15981), (10731, 12937)]