205912449

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{653}}^1$

素因数の和:911

約数の個数: 40

約数和(自身を含む): 327614760

約数和(自身を除く): 121702311

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 229, 459, 653, 687, 1377, 1959, 2061, 3893, 5877, 6183, 11101, 11679, 17631, 18549, 33303, 35037, 52893, 99909, 105111, 149537, 299727, 315333, 448611, 899181, 1345833, 2542129, 4037499, 7626387, 12112497, 22879161, 68637483, 205912449]

約数ペア:

[(1, 205912449), (3, 68637483), (9, 22879161), (17, 12112497), (27, 7626387), (51, 4037499), (81, 2542129), (153, 1345833), (229, 899181), (459, 448611), (653, 315333), (687, 299727), (1377, 149537), (1959, 105111), (2061, 99909), (3893, 52893), (5877, 35037), (6183, 33303), (11101, 18549), (11679, 17631)]