13130187

素因数分解:

$3^1\times 7^2\times {\mathrm{179}}^1\times {\mathrm{499}}^1$

素因数の和:695

約数の個数: 24

約数和(自身を含む): 20520000

約数和(自身を除く): 7389813

約数列:

[1, 3, 7, 21, 49, 147, 179, 499, 537, 1253, 1497, 3493, 3759, 8771, 10479, 24451, 26313, 73353, 89321, 267963, 625247, 1875741, 4376729, 13130187]

約数ペア:

[(1, 13130187), (3, 4376729), (7, 1875741), (21, 625247), (49, 267963), (147, 89321), (179, 73353), (499, 26313), (537, 24451), (1253, 10479), (1497, 8771), (3493, 3759)]