15120091

素因数分解:

$7^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{313}}^1$

素因数の和:490

約数の個数: 16

約数和(自身を含む): 17764864

約数和(自身を除く): 2644773

約数列:

[1, 7, 67, 103, 313, 469, 721, 2191, 6901, 20971, 32239, 48307, 146797, 225673, 2160013, 15120091]

約数ペア:

[(1, 15120091), (7, 2160013), (67, 225673), (103, 146797), (313, 48307), (469, 32239), (721, 20971), (2191, 6901)]