78351819

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{287003}}^1$

素因数の和:287026

約数の個数: 16

約数和(自身を含む): 128577792

約数和(自身を除く): 50225973

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 287003, 861009, 2009021, 3731039, 6027063, 11193117, 26117273, 78351819]

約数ペア:

[(1, 78351819), (3, 26117273), (7, 11193117), (13, 6027063), (21, 3731039), (39, 2009021), (91, 861009), (273, 287003)]