12971289

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{2377}}^1$

素因数の和:2504

約数の個数: 16

約数和(自身を含む): 18491328

約数和(自身を除く): 5520039

約数列:

[1, 3, 17, 51, 107, 321, 1819, 2377, 5457, 7131, 40409, 121227, 254339, 763017, 4323763, 12971289]

約数ペア:

[(1, 12971289), (3, 4323763), (17, 763017), (51, 254339), (107, 121227), (321, 40409), (1819, 7131), (2377, 5457)]