86989371

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1\times {\mathrm{307}}^1$

素因数の和:551

約数の個数: 32

約数和(自身を含む): 135303168

約数和(自身を除く): 48313797

約数列:

[1, 3, 7, 21, 103, 131, 307, 309, 393, 721, 917, 921, 2149, 2163, 2751, 6447, 13493, 31621, 40217, 40479, 94451, 94863, 120651, 221347, 281519, 283353, 664041, 844557, 4142351, 12427053, 28996457, 86989371]

約数ペア:

[(1, 86989371), (3, 28996457), (7, 12427053), (21, 4142351), (103, 844557), (131, 664041), (307, 283353), (309, 281519), (393, 221347), (721, 120651), (917, 94863), (921, 94451), (2149, 40479), (2163, 40217), (2751, 31621), (6447, 13493)]