172665918

素因数分解:

$2^1\times 3^4\times {\mathrm{1065839}}^1$

素因数の和:1065853

約数の個数: 20

約数和(自身を含む): 386899920

約数和(自身を除く): 214234002

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 1065839, 2131678, 3197517, 6395034, 9592551, 19185102, 28777653, 57555306, 86332959, 172665918]

約数ペア:

[(1, 172665918), (2, 86332959), (3, 57555306), (6, 28777653), (9, 19185102), (18, 9592551), (27, 6395034), (54, 3197517), (81, 2131678), (162, 1065839)]