12947931

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{9403}}^1$

素因数の和:9432

約数の個数: 20

約数和(自身を含む): 20481912

約数和(自身を除く): 7533981

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 9403, 28209, 84627, 159851, 253881, 479553, 761643, 1438659, 4315977, 12947931]

約数ペア:

[(1, 12947931), (3, 4315977), (9, 1438659), (17, 761643), (27, 479553), (51, 253881), (81, 159851), (153, 84627), (459, 28209), (1377, 9403)]