31206021

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{12281}}^1$

素因数の和:12313

約数の個数: 24

約数和(自身を含む): 52272192

約数和(自身を除く): 21066171

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 231, 363, 847, 2541, 12281, 36843, 85967, 135091, 257901, 405273, 945637, 1486001, 2836911, 4458003, 10402007, 31206021]

約数ペア:

[(1, 31206021), (3, 10402007), (7, 4458003), (11, 2836911), (21, 1486001), (33, 945637), (77, 405273), (121, 257901), (231, 135091), (363, 85967), (847, 36843), (2541, 12281)]