161755293

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1\times {\mathrm{661}}^1$

素因数の和:985

約数の個数: 32

約数和(自身を含む): 253530112

約数和(自身を除く): 91774819

約数列:

[1, 3, 7, 21, 43, 129, 271, 301, 661, 813, 903, 1897, 1983, 4627, 5691, 11653, 13881, 28423, 34959, 81571, 85269, 179131, 198961, 244713, 537393, 596883, 1253917, 3761751, 7702633, 23107899, 53918431, 161755293]

約数ペア:

[(1, 161755293), (3, 53918431), (7, 23107899), (21, 7702633), (43, 3761751), (129, 1253917), (271, 596883), (301, 537393), (661, 244713), (813, 198961), (903, 179131), (1897, 85269), (1983, 81571), (4627, 34959), (5691, 28423), (11653, 13881)]