12889437981

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{26686207}}^1$

素因数の和:26686240

約数の個数: 16

約数和(自身を含む): 20495007744

約数和(自身を除く): 7605569763

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 26686207, 80058621, 186803449, 560410347, 613782761, 1841348283, 4296479327, 12889437981]

約数ペア:

[(1, 12889437981), (3, 4296479327), (7, 1841348283), (21, 613782761), (23, 560410347), (69, 186803449), (161, 80058621), (483, 26686207)]