87081921

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{1627}}^1$

素因数の和:1965

約数の個数: 24

約数和(自身を含む): 132909920

約数和(自身を除く): 45827999

約数列:

[1, 3, 9, 19, 57, 171, 313, 939, 1627, 2817, 4881, 5947, 14643, 17841, 30913, 53523, 92739, 278217, 509251, 1527753, 4583259, 9675769, 29027307, 87081921]

約数ペア:

[(1, 87081921), (3, 29027307), (9, 9675769), (19, 4583259), (57, 1527753), (171, 509251), (313, 278217), (939, 92739), (1627, 53523), (2817, 30913), (4881, 17841), (5947, 14643)]