12890681661

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{110879}}^1$

素因数の和:111177

約数の個数: 32

約数和(自身を含む): 20267089920

約数和(自身を除く): 7376408259

約数列:

[1, 3, 11, 13, 33, 39, 143, 271, 429, 813, 2981, 3523, 8943, 10569, 38753, 110879, 116259, 332637, 1219669, 1441427, 3659007, 4324281, 15855697, 30048209, 47567091, 90144627, 330530299, 390626717, 991590897, 1171880151, 4296893887, 12890681661]

約数ペア:

[(1, 12890681661), (3, 4296893887), (11, 1171880151), (13, 991590897), (33, 390626717), (39, 330530299), (143, 90144627), (271, 47567091), (429, 30048209), (813, 15855697), (2981, 4324281), (3523, 3659007), (8943, 1441427), (10569, 1219669), (38753, 332637), (110879, 116259)]