15885492021

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1\times {\mathrm{22817}}^1$

素因数の和:23130

約数の個数: 48

約数和(自身を含む): 26939113344

約数和(自身を除く): 11053621323

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 257, 301, 387, 771, 903, 1799, 2313, 2709, 5397, 11051, 16191, 22817, 33153, 68451, 77357, 99459, 159719, 205353, 232071, 479157, 696213, 981131, 1437471, 2943393, 5863969, 6867917, 8830179, 17591907, 20603751, 41047783, 52775721, 61811253, 123143349, 252150667, 369430047, 756452001, 1765054669, 2269356003, 5295164007, 15885492021]

約数ペア:

[(1, 15885492021), (3, 5295164007), (7, 2269356003), (9, 1765054669), (21, 756452001), (43, 369430047), (63, 252150667), (129, 123143349), (257, 61811253), (301, 52775721), (387, 41047783), (771, 20603751), (903, 17591907), (1799, 8830179), (2313, 6867917), (2709, 5863969), (5397, 2943393), (11051, 1437471), (16191, 981131), (22817, 696213), (33153, 479157), (68451, 232071), (77357, 205353), (99459, 159719)]