28626519

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{53}}^2\times {\mathrm{79}}^1$

素因数の和:231

約数の個数: 24

約数和(自身を含む): 40311040

約数和(自身を除く): 11684521

約数列:

[1, 3, 43, 53, 79, 129, 159, 237, 2279, 2809, 3397, 4187, 6837, 8427, 10191, 12561, 120787, 180041, 221911, 362361, 540123, 665733, 9542173, 28626519]

約数ペア:

[(1, 28626519), (3, 9542173), (43, 665733), (53, 540123), (79, 362361), (129, 221911), (159, 180041), (237, 120787), (2279, 12561), (2809, 10191), (3397, 8427), (4187, 6837)]