247079763

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{409}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 420259840

約数和(自身を除く): 173180077

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 223, 301, 387, 409, 669, 903, 1227, 1561, 2007, 2709, 2863, 3681, 4683, 8589, 9589, 14049, 17587, 25767, 28767, 52761, 67123, 86301, 91207, 123109, 158283, 201369, 273621, 369327, 604107, 638449, 820863, 1107981, 1915347, 3921901, 5746041, 11765703, 27453307, 35297109, 82359921, 247079763]

約数ペア:

[(1, 247079763), (3, 82359921), (7, 35297109), (9, 27453307), (21, 11765703), (43, 5746041), (63, 3921901), (129, 1915347), (223, 1107981), (301, 820863), (387, 638449), (409, 604107), (669, 369327), (903, 273621), (1227, 201369), (1561, 158283), (2007, 123109), (2709, 91207), (2863, 86301), (3681, 67123), (4683, 52761), (8589, 28767), (9589, 25767), (14049, 17587)]