31171173

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{1997}}^1$

素因数の和:2065

約数の個数: 24

約数和(自身を含む): 46769184

約数和(自身を除く): 15598011

約数列:

[1, 3, 11, 33, 43, 121, 129, 363, 473, 1419, 1997, 5203, 5991, 15609, 21967, 65901, 85871, 241637, 257613, 724911, 944581, 2833743, 10390391, 31171173]

約数ペア:

[(1, 31171173), (3, 10390391), (11, 2833743), (33, 944581), (43, 724911), (121, 257613), (129, 241637), (363, 85871), (473, 65901), (1419, 21967), (1997, 15609), (5203, 5991)]