28779487

素因数分解:

${\mathrm{11}}^2\times {\mathrm{17}}^2\times {\mathrm{823}}^1$

素因数の和:879

約数の個数: 18

約数和(自身を含む): 33644744

約数和(自身を除く): 4865257

約数列:

[1, 11, 17, 121, 187, 289, 823, 2057, 3179, 9053, 13991, 34969, 99583, 153901, 237847, 1692911, 2616317, 28779487]

約数ペア:

[(1, 28779487), (11, 2616317), (17, 1692911), (121, 237847), (187, 153901), (289, 99583), (823, 34969), (2057, 13991), (3179, 9053)]