12761749

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:122

約数の個数: 48

約数和(自身を含む): 18471040

約数和(自身を除く): 5709291

約数列:

[1, 7, 11, 13, 19, 61, 77, 91, 121, 133, 143, 209, 247, 427, 671, 793, 847, 1001, 1159, 1463, 1573, 1729, 2299, 2717, 4697, 5551, 7381, 8113, 8723, 11011, 12749, 15067, 16093, 19019, 29887, 51667, 61061, 89243, 95953, 105469, 140239, 165737, 209209, 671671, 981673, 1160159, 1823107, 12761749]

約数ペア:

[(1, 12761749), (7, 1823107), (11, 1160159), (13, 981673), (19, 671671), (61, 209209), (77, 165737), (91, 140239), (121, 105469), (133, 95953), (143, 89243), (209, 61061), (247, 51667), (427, 29887), (671, 19019), (793, 16093), (847, 15067), (1001, 12749), (1159, 11011), (1463, 8723), (1573, 8113), (1729, 7381), (2299, 5551), (2717, 4697)]