28529253

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{8191}}^1$

素因数の和:8246

約数の個数: 20

約数和(自身を含む): 43614208

約数和(自身を除く): 15084955

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 8191, 24573, 73719, 221157, 352213, 663471, 1056639, 3169917, 9509751, 28529253]

約数ペア:

[(1, 28529253), (3, 9509751), (9, 3169917), (27, 1056639), (43, 663471), (81, 352213), (129, 221157), (387, 73719), (1161, 24573), (3483, 8191)]