1520043813

素因数分解:

$3^4\times {\mathrm{139}}^1\times {\mathrm{135007}}^1$

素因数の和:135158

約数の個数: 20

約数和(自身を含む): 2287035520

約数和(自身を除く): 766991707

約数列:

[1, 3, 9, 27, 81, 139, 417, 1251, 3753, 11259, 135007, 405021, 1215063, 3645189, 10935567, 18765973, 56297919, 168893757, 506681271, 1520043813]

約数ペア:

[(1, 1520043813), (3, 506681271), (9, 168893757), (27, 56297919), (81, 18765973), (139, 10935567), (417, 3645189), (1251, 1215063), (3753, 405021), (11259, 135007)]