13856787

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 24380928

約数和(自身を除く): 10524141

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 73, 131, 161, 207, 219, 393, 483, 511, 657, 917, 1179, 1449, 1533, 1679, 2751, 3013, 4599, 5037, 8253, 9039, 9563, 11753, 15111, 21091, 27117, 28689, 35259, 63273, 66941, 86067, 105777, 189819, 200823, 219949, 602469, 659847, 1539643, 1979541, 4618929, 13856787]

約数ペア:

[(1, 13856787), (3, 4618929), (7, 1979541), (9, 1539643), (21, 659847), (23, 602469), (63, 219949), (69, 200823), (73, 189819), (131, 105777), (161, 86067), (207, 66941), (219, 63273), (393, 35259), (483, 28689), (511, 27117), (657, 21091), (917, 15111), (1179, 11753), (1449, 9563), (1533, 9039), (1679, 8253), (2751, 5037), (3013, 4599)]