2220372009

素因数分解:

$3^2\times {\mathrm{2131}}^1\times {\mathrm{115771}}^1$

素因数の和:117908

約数の個数: 12

約数和(自身を含む): 3208736752

約数和(自身を除く): 988364743

約数列:

[1, 3, 9, 2131, 6393, 19179, 115771, 347313, 1041939, 246708001, 740124003, 2220372009]

約数ペア:

[(1, 2220372009), (3, 740124003), (9, 246708001), (2131, 1041939), (6393, 347313), (19179, 115771)]