84872421

素因数分解:

$3^3\times {\mathrm{101}}^1\times {\mathrm{31123}}^1$

素因数の和:31233

約数の個数: 16

約数和(自身を含む): 126985920

約数和(自身を除く): 42113499

約数列:

[1, 3, 9, 27, 101, 303, 909, 2727, 31123, 93369, 280107, 840321, 3143423, 9430269, 28290807, 84872421]

約数ペア:

[(1, 84872421), (3, 28290807), (9, 9430269), (27, 3143423), (101, 840321), (303, 280107), (909, 93369), (2727, 31123)]