16820341209

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{159017}}^1$

素因数の和:159126

約数の個数: 48

約数和(自身を含む): 29371260672

約数和(自身を除く): 12550919463

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 73, 161, 207, 219, 483, 511, 657, 1449, 1533, 1679, 4599, 5037, 11753, 15111, 35259, 105777, 159017, 477051, 1113119, 1431153, 3339357, 3657391, 10018071, 10972173, 11608241, 25601737, 32916519, 34824723, 76805211, 81257687, 104474169, 230415633, 243773061, 266989543, 731319183, 800968629, 1868926801, 2402905887, 5606780403, 16820341209]

約数ペア:

[(1, 16820341209), (3, 5606780403), (7, 2402905887), (9, 1868926801), (21, 800968629), (23, 731319183), (63, 266989543), (69, 243773061), (73, 230415633), (161, 104474169), (207, 81257687), (219, 76805211), (483, 34824723), (511, 32916519), (657, 25601737), (1449, 11608241), (1533, 10972173), (1679, 10018071), (4599, 3657391), (5037, 3339357), (11753, 1431153), (15111, 1113119), (35259, 477051), (105777, 159017)]