80897439

素因数分解:

$3^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{21521}}^1$

素因数の和:21710

約数の個数: 16

約数和(自身を含む): 123966720

約数和(自身を除く): 43069281

約数列:

[1, 3, 7, 21, 179, 537, 1253, 3759, 21521, 64563, 150647, 451941, 3852259, 11556777, 26965813, 80897439]

約数ペア:

[(1, 80897439), (3, 26965813), (7, 11556777), (21, 3852259), (179, 451941), (537, 150647), (1253, 64563), (3759, 21521)]