247005717

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1699}}^1$

素因数の和:1782

約数の個数: 48

約数和(自身を含む): 409305600

約数和(自身を除く): 162299883

約数列:

[1, 3, 7, 21, 23, 43, 49, 69, 129, 147, 161, 301, 483, 903, 989, 1127, 1699, 2107, 2967, 3381, 5097, 6321, 6923, 11893, 20769, 35679, 39077, 48461, 73057, 83251, 117231, 145383, 219171, 249753, 273539, 511399, 820617, 1534197, 1680311, 1914773, 3579793, 5040933, 5744319, 10739379, 11762177, 35286531, 82335239, 247005717]

約数ペア:

[(1, 247005717), (3, 82335239), (7, 35286531), (21, 11762177), (23, 10739379), (43, 5744319), (49, 5040933), (69, 3579793), (129, 1914773), (147, 1680311), (161, 1534197), (301, 820617), (483, 511399), (903, 273539), (989, 249753), (1127, 219171), (1699, 145383), (2107, 117231), (2967, 83251), (3381, 73057), (5097, 48461), (6321, 39077), (6923, 35679), (11893, 20769)]