86741847

素因数分解:

$3^4\times {\mathrm{503}}^1\times {\mathrm{2129}}^1$

素因数の和:2644

約数の個数: 20

約数和(自身を含む): 129895920

約数和(自身を除く): 43154073

約数列:

[1, 3, 9, 27, 81, 503, 1509, 2129, 4527, 6387, 13581, 19161, 40743, 57483, 172449, 1070887, 3212661, 9637983, 28913949, 86741847]

約数ペア:

[(1, 86741847), (3, 28913949), (9, 9637983), (27, 3212661), (81, 1070887), (503, 172449), (1509, 57483), (2129, 40743), (4527, 19161), (6387, 13581)]