7269021

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{2087}}^1$

素因数の和:2142

約数の個数: 20

約数和(自身を含む): 11116512

約数和(自身を除く): 3847491

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 2087, 3483, 6261, 18783, 56349, 89741, 169047, 269223, 807669, 2423007, 7269021]

約数ペア:

[(1, 7269021), (3, 2423007), (9, 807669), (27, 269223), (43, 169047), (81, 89741), (129, 56349), (387, 18783), (1161, 6261), (2087, 3483)]