13129521

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{787}}^1$

素因数の和:940

約数の個数: 16

約数和(自身を含む): 18004224

約数和(自身を除く): 4874703

約数列:

[1, 3, 67, 83, 201, 249, 787, 2361, 5561, 16683, 52729, 65321, 158187, 195963, 4376507, 13129521]

約数ペア:

[(1, 13129521), (3, 4376507), (67, 195963), (83, 158187), (201, 65321), (249, 52729), (787, 16683), (2361, 5561)]