1611071

素因数分解:

$7^4\times {\mathrm{11}}^1\times {\mathrm{61}}^1$

素因数の和:100

約数の個数: 20

約数和(自身を含む): 2083944

約数和(自身を除く): 472873

約数列:

[1, 7, 11, 49, 61, 77, 343, 427, 539, 671, 2401, 2989, 3773, 4697, 20923, 26411, 32879, 146461, 230153, 1611071]

約数ペア:

[(1, 1611071), (7, 230153), (11, 146461), (49, 32879), (61, 26411), (77, 20923), (343, 4697), (427, 3773), (539, 2989), (671, 2401)]