7872139

素因数分解:

${\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:171

約数の個数: 24

約数和(自身を含む): 9480240

約数和(自身を除く): 1608101

約数列:

[1, 11, 17, 43, 89, 121, 187, 473, 731, 979, 1513, 2057, 3827, 5203, 8041, 10769, 16643, 42097, 65059, 88451, 183073, 463067, 715649, 7872139]

約数ペア:

[(1, 7872139), (11, 715649), (17, 463067), (43, 183073), (89, 88451), (121, 65059), (187, 42097), (473, 16643), (731, 10769), (979, 8041), (1513, 5203), (2057, 3827)]