211029381

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{463}}^1$

素因数の和:823

約数の個数: 40

約数和(自身を含む): 335516544

約数和(自身を除く): 124487163

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 331, 459, 463, 993, 1377, 1389, 2979, 4167, 5627, 7871, 8937, 12501, 16881, 23613, 26811, 37503, 50643, 70839, 151929, 153253, 212517, 455787, 459759, 637551, 1379277, 2605301, 4137831, 7815903, 12413493, 23447709, 70343127, 211029381]

約数ペア:

[(1, 211029381), (3, 70343127), (9, 23447709), (17, 12413493), (27, 7815903), (51, 4137831), (81, 2605301), (153, 1379277), (331, 637551), (459, 459759), (463, 455787), (993, 212517), (1377, 153253), (1389, 151929), (2979, 70839), (4167, 50643), (5627, 37503), (7871, 26811), (8937, 23613), (12501, 16881)]