218417439

素因数分解:

$3^1\times {\mathrm{251}}^1\times {\mathrm{431}}^1\times {\mathrm{673}}^1$

素因数の和:1358

約数の個数: 16

約数和(自身を含む): 293497344

約数和(自身を除く): 75079905

約数列:

[1, 3, 251, 431, 673, 753, 1293, 2019, 108181, 168923, 290063, 324543, 506769, 870189, 72805813, 218417439]

約数ペア:

[(1, 218417439), (3, 72805813), (251, 870189), (431, 506769), (673, 324543), (753, 290063), (1293, 168923), (2019, 108181)]