12640281

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{683}}^1$

素因数の和:916

約数の個数: 16

約数和(自身を含む): 17510400

約数和(自身を除く): 4870119

約数列:

[1, 3, 31, 93, 199, 597, 683, 2049, 6169, 18507, 21173, 63519, 135917, 407751, 4213427, 12640281]

約数ペア:

[(1, 12640281), (3, 4213427), (31, 407751), (93, 135917), (199, 63519), (597, 21173), (683, 18507), (2049, 6169)]