211671789

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{79367}}^1$

素因数の和:79504

約数の個数: 16

約数和(自身を含む): 325091328

約数和(自身を除く): 113419539

約数列:

[1, 3, 7, 21, 127, 381, 889, 2667, 79367, 238101, 555569, 1666707, 10079609, 30238827, 70557263, 211671789]

約数ペア:

[(1, 211671789), (3, 70557263), (7, 30238827), (21, 10079609), (127, 1666707), (381, 555569), (889, 238101), (2667, 79367)]