86215731

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1\times {\mathrm{311}}^1$

素因数の和:671

約数の個数: 32

約数和(自身を含む): 135303168

約数和(自身を除く): 49087437

約数列:

[1, 3, 7, 21, 43, 129, 301, 307, 311, 903, 921, 933, 2149, 2177, 6447, 6531, 13201, 13373, 39603, 40119, 92407, 93611, 95477, 277221, 280833, 286431, 668339, 2005017, 4105511, 12316533, 28738577, 86215731]

約数ペア:

[(1, 86215731), (3, 28738577), (7, 12316533), (21, 4105511), (43, 2005017), (129, 668339), (301, 286431), (307, 280833), (311, 277221), (903, 95477), (921, 93611), (933, 92407), (2149, 40119), (2177, 39603), (6447, 13373), (6531, 13201)]