129123969

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{2081}}^1$

素因数の和:2177

約数の個数: 32

約数和(自身を含む): 194941824

約数和(自身を除く): 65817855

約数列:

[1, 3, 13, 37, 39, 43, 111, 129, 481, 559, 1443, 1591, 1677, 2081, 4773, 6243, 20683, 27053, 62049, 76997, 81159, 89483, 230991, 268449, 1000961, 1163279, 3002883, 3310871, 3489837, 9932613, 43041323, 129123969]

約数ペア:

[(1, 129123969), (3, 43041323), (13, 9932613), (37, 3489837), (39, 3310871), (43, 3002883), (111, 1163279), (129, 1000961), (481, 268449), (559, 230991), (1443, 89483), (1591, 81159), (1677, 76997), (2081, 62049), (4773, 27053), (6243, 20683)]