12781317

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{1019}}^1$

素因数の和:1172

約数の個数: 16

約数和(自身を含む): 17674560

約数和(自身を除く): 4893243

約数列:

[1, 3, 37, 111, 113, 339, 1019, 3057, 4181, 12543, 37703, 113109, 115147, 345441, 4260439, 12781317]

約数ペア:

[(1, 12781317), (3, 4260439), (37, 345441), (111, 115147), (113, 113109), (339, 37703), (1019, 12543), (3057, 4181)]