13228047

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:332

約数の個数: 48

約数和(自身を含む): 23612160

約数和(自身を除く): 10384113

約数列:

[1, 3, 7, 9, 19, 21, 43, 57, 63, 129, 133, 171, 257, 301, 387, 399, 771, 817, 903, 1197, 1799, 2313, 2451, 2709, 4883, 5397, 5719, 7353, 11051, 14649, 16191, 17157, 33153, 34181, 43947, 51471, 77357, 99459, 102543, 209969, 232071, 307629, 629907, 696213, 1469783, 1889721, 4409349, 13228047]

約数ペア:

[(1, 13228047), (3, 4409349), (7, 1889721), (9, 1469783), (19, 696213), (21, 629907), (43, 307629), (57, 232071), (63, 209969), (129, 102543), (133, 99459), (171, 77357), (257, 51471), (301, 43947), (387, 34181), (399, 33153), (771, 17157), (817, 16191), (903, 14649), (1197, 11051), (1799, 7353), (2313, 5719), (2451, 5397), (2709, 4883)]