81274039

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{761}}^1$

素因数の和:871

約数の個数: 32

約数和(自身を含む): 108264960

約数和(自身を除く): 26990921

約数列:

[1, 7, 11, 19, 73, 77, 133, 209, 511, 761, 803, 1387, 1463, 5327, 5621, 8371, 9709, 14459, 15257, 55553, 58597, 101213, 106799, 159049, 388871, 611083, 1055507, 1113343, 4277581, 7388549, 11610577, 81274039]

約数ペア:

[(1, 81274039), (7, 11610577), (11, 7388549), (19, 4277581), (73, 1113343), (77, 1055507), (133, 611083), (209, 388871), (511, 159049), (761, 106799), (803, 101213), (1387, 58597), (1463, 55553), (5327, 15257), (5621, 14459), (8371, 9709)]