2091271

素因数分解:

$7^4\times {\mathrm{13}}^1\times {\mathrm{67}}^1$

素因数の和:108

約数の個数: 20

約数和(自身を含む): 2666552

約数和(自身を除く): 575281

約数列:

[1, 7, 13, 49, 67, 91, 343, 469, 637, 871, 2401, 3283, 4459, 6097, 22981, 31213, 42679, 160867, 298753, 2091271]

約数ペア:

[(1, 2091271), (7, 298753), (13, 160867), (49, 42679), (67, 31213), (91, 22981), (343, 6097), (469, 4459), (637, 3283), (871, 2401)]