18306459

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{719}}^1$

素因数の和:792

約数の個数: 32

約数和(自身を含む): 29030400

約数和(自身を除く): 10723941

約数列:

[1, 3, 9, 23, 27, 41, 69, 123, 207, 369, 621, 719, 943, 1107, 2157, 2829, 6471, 8487, 16537, 19413, 25461, 29479, 49611, 88437, 148833, 265311, 446499, 678017, 795933, 2034051, 6102153, 18306459]

約数ペア:

[(1, 18306459), (3, 6102153), (9, 2034051), (23, 795933), (27, 678017), (41, 446499), (69, 265311), (123, 148833), (207, 88437), (369, 49611), (621, 29479), (719, 25461), (943, 19413), (1107, 16537), (2157, 8487), (2829, 6471)]